1252637041249 has 16 divisors (see below), whose sum is σ = 1374303006720. Its totient is φ = 1132281758160.

The previous prime is 1252637041231. The next prime is 1252637041273. The reversal of 1252637041249 is 9421407362521.

It is a cyclic number.

It is not a de Polignac number, because 1252637041249 - 2³³ = 1244047106657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252637041199 and 1252637041208.

It is not an unprimeable number, because it can be changed into a prime (1252637041049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719892 + ... + 2337370.

It is an arithmetic number, because the mean of its divisors is an integer number (85893937920).

Almost surely, 2^{1252637041249} is an apocalyptic number.

It is an amenable number.

1252637041249 is a deficient number, since it is larger than the sum of its proper divisors (121665965471).

1252637041249 is a wasteful number, since it uses less digits than its factorization.

1252637041249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618540.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 1252637041249 in words is "one trillion, two hundred fifty-two billion, six hundred thirty-seven million, forty-one thousand, two hundred forty-nine".