1025351402122 has 8 divisors (see below), whose sum is σ = 1538075327076. Its totient is φ = 512659626432.

The previous prime is 1025351402107. The next prime is 1025351402123. The reversal of 1025351402122 is 2212041535201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1000658108241 + 24693293881 = 1000329^2 + 157141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1025351402122² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1025351402123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7957423 + ... + 8085250.

Almost surely, 2^{1025351402122} is an apocalyptic number.

1025351402122 is a deficient number, since it is larger than the sum of its proper divisors (512723924954).

1025351402122 is a wasteful number, since it uses less digits than its factorization.

1025351402122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16074632.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 1025351402122 its reverse (2212041535201), we get a palindrome (3237392937323).

The spelling of 1025351402122 in words is "one trillion, twenty-five billion, three hundred fifty-one million, four hundred two thousand, one hundred twenty-two".