122122154460 has 24 divisors (see below), whose sum is σ = 341942032656. Its totient is φ = 32565907840.

The previous prime is 122122154443. The next prime is 122122154477. The reversal of 122122154460 is 64451221221.

It is an interprime number because it is at equal distance from previous prime (122122154443) and next prime (122122154477).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017684561 + ... + 1017684680.

It is an arithmetic number, because the mean of its divisors is an integer number (14247584694).

Almost surely, 2^122122154460 is an apocalyptic number.

122122154460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122154460 is an abundant number, since it is smaller than the sum of its proper divisors (219819878196).

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

122122154460 is a wasteful number, since it uses less digits than its factorization.

122122154460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035369253 (or 2035369251 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 122122154460 its reverse (64451221221), we get a palindrome (186573375681).

The spelling of 122122154460 in words is "one hundred twenty-two billion, one hundred twenty-two million, one hundred fifty-four thousand, four hundred sixty".