1252421251514 has 4 divisors (see below), whose sum is σ = 1878631877274. Its totient is φ = 626210625756.

The previous prime is 1252421251507. The next prime is 1252421251541. The reversal of 1252421251514 is 4151521242521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 768120780625 + 484300470889 = 876425^2 + 695917^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313105312877 + ... + 313105312880.

Almost surely, 2^{1252421251514} is an apocalyptic number.

1252421251514 is a deficient number, since it is larger than the sum of its proper divisors (626210625760).

1252421251514 is an equidigital number, since it uses as much as digits as its factorization.

1252421251514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626210625759.

The product of its digits is 32000, while the sum is 35.

The spelling of 1252421251514 in words is "one trillion, two hundred fifty-two billion, four hundred twenty-one million, two hundred fifty-one thousand, five hundred fourteen".