1252426023 has 32 divisors (see below), whose sum is σ = 1982692800. Its totient is φ = 778595328.

The previous prime is 1252425973. The next prime is 1252426031. The reversal of 1252426023 is 3206242521.

It is a happy number.

1252426023 is a `hidden beast` number, since 1 + 2 + 52 + 4 + 2 + 602 + 3 = 666.

It is not a de Polignac number, because 1252426023 - 2⁶ = 1252425959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252426223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37515 + ... + 62547.

It is an arithmetic number, because the mean of its divisors is an integer number (61959150).

Almost surely, 2^1252426023 is an apocalyptic number.

1252426023 is a deficient number, since it is larger than the sum of its proper divisors (730266777).

1252426023 is a wasteful number, since it uses less digits than its factorization.

1252426023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25168 (or 25162 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1252426023 is about 35389.6315747989. The cubic root of 1252426023 is about 1077.9137890676.

Adding to 1252426023 its reverse (3206242521), we get a palindrome (4458668544).

The spelling of 1252426023 in words is "one billion, two hundred fifty-two million, four hundred twenty-six thousand, twenty-three".