1252341431402 has 8 divisors (see below), whose sum is σ = 1904245190436. Its totient is φ = 617593034592.

The previous prime is 1252341431399. The next prime is 1252341431441. The reversal of 1252341431402 is 2041341432521.

It can be written as a sum of positive squares in 2 ways, for example, as 1076051454241 + 176289977161 = 1037329^2 + 419869^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4288840373 + ... + 4288840664.

Almost surely, 2^{1252341431402} is an apocalyptic number.

1252341431402 is a deficient number, since it is larger than the sum of its proper divisors (651903759034).

1252341431402 is an equidigital number, since it uses as much as digits as its factorization.

1252341431402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8577681112.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1252341431402 its reverse (2041341432521), we get a palindrome (3293682863923).

The spelling of 1252341431402 in words is "one trillion, two hundred fifty-two billion, three hundred forty-one million, four hundred thirty-one thousand, four hundred two".