140122123400025 has 144 divisors (see below), whose sum is σ = 289332007677440. Its totient is φ = 66757933555200.

The previous prime is 140122123399997. The next prime is 140122123400053. The reversal of 140122123400025 is 520004321221041.

140122123400025 is a `hidden beast` number, since 1 + 40 + 1 + 2 + 212 + 3 + 400 + 0 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (140122123399997) and next prime (140122123400053).

It is not a de Polignac number, because 140122123400025 - 2¹⁶ = 140122123334489 is a prime.

It is a super-2 number, since 2×140122123400025² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 26168860 + ... + 31065309.

Almost surely, 2^{140122123400025} is an apocalyptic number.

140122123400025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140122123400025 is an abundant number, since it is smaller than the sum of its proper divisors (149209884277415).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140122123400025 is a wasteful number, since it uses less digits than its factorization.

140122123400025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57234238 (or 57234221 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 140122123400025 its reverse (520004321221041), we get a palindrome (660126444621066).

The spelling of 140122123400025 in words is "one hundred forty trillion, one hundred twenty-two billion, one hundred twenty-three million, four hundred thousand, twenty-five".