1252146455 has 32 divisors (see below), whose sum is σ = 1849689600. Its totient is φ = 794489472.

The previous prime is 1252146433. The next prime is 1252146457. The reversal of 1252146455 is 5546412521.

It is not a de Polignac number, because 1252146455 - 2²⁸ = 983710999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252146457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6701 + ... + 50489.

It is an arithmetic number, because the mean of its divisors is an integer number (57802800).

Almost surely, 2^1252146455 is an apocalyptic number.

1252146455 is a deficient number, since it is larger than the sum of its proper divisors (597543145).

1252146455 is a wasteful number, since it uses less digits than its factorization.

1252146455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43863.

The product of its digits is 48000, while the sum is 35.

The square root of 1252146455 is about 35385.6814968993. The cubic root of 1252146455 is about 1077.8335787073.

Adding to 1252146455 its reverse (5546412521), we get a palindrome (6798558976).

The spelling of 1252146455 in words is "one billion, two hundred fifty-two million, one hundred forty-six thousand, four hundred fifty-five".