1252342131401 has 32 divisors (see below), whose sum is σ = 1373233422336. Its totient is φ = 1138484160000.

The previous prime is 1252342131329. The next prime is 1252342131413. The reversal of 1252342131401 is 1041312432521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1252342131401 - 2¹⁸ = 1252341869257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252342131701) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 15772601 + ... + 15851801.

It is an arithmetic number, because the mean of its divisors is an integer number (42913544448).

Almost surely, 2^{1252342131401} is an apocalyptic number.

It is an amenable number.

1252342131401 is a deficient number, since it is larger than the sum of its proper divisors (120891290935).

1252342131401 is a wasteful number, since it uses less digits than its factorization.

1252342131401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79653.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1252342131401 its reverse (1041312432521), we get a palindrome (2293654563922).

The spelling of 1252342131401 in words is "one trillion, two hundred fifty-two billion, three hundred forty-two million, one hundred thirty-one thousand, four hundred one".