1253120401302 has 64 divisors (see below), whose sum is σ = 3197330509824. Its totient is φ = 317916375840.

The previous prime is 1253120401279. The next prime is 1253120401397. The reversal of 1253120401302 is 2031040213521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31519458 + ... + 31559189.

It is an arithmetic number, because the mean of its divisors is an integer number (49958289216).

Almost surely, 2^{1253120401302} is an apocalyptic number.

1253120401302 is an abundant number, since it is smaller than the sum of its proper divisors (1944210108522).

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

1253120401302 is a wasteful number, since it uses less digits than its factorization.

1253120401302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63078713.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 1253120401302 its reverse (2031040213521), we get a palindrome (3284160614823).

The spelling of 1253120401302 in words is "one trillion, two hundred fifty-three billion, one hundred twenty million, four hundred one thousand, three hundred two".