1252097534 has 16 divisors (see below), whose sum is σ = 1908528048. Its totient is φ = 615996672.

The previous prime is 1252097527. The next prime is 1252097537. The reversal of 1252097534 is 4357902521.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252097537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14909 + ... + 52215.

It is an arithmetic number, because the mean of its divisors is an integer number (119283003).

Almost surely, 2^1252097534 is an apocalyptic number.

1252097534 is a deficient number, since it is larger than the sum of its proper divisors (656430514).

1252097534 is a wasteful number, since it uses less digits than its factorization.

1252097534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37579.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 1252097534 is about 35384.9902359743. The cubic root of 1252097534 is about 1077.8195416424.

The spelling of 1252097534 in words is "one billion, two hundred fifty-two million, ninety-seven thousand, five hundred thirty-four".