1249534474 has 16 divisors (see below), whose sum is σ = 1929852648. Its totient is φ = 606336192.

The previous prime is 1249534469. The next prime is 1249534483. The reversal of 1249534474 is 4744359421.

It can be written as a sum of positive squares in 4 ways, for example, as 1211527249 + 38007225 = 34807^2 + 6165^2 .

It is a super-2 number, since 2×1249534474² = 3122672803428913352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1249534474.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8112 + ... + 50644.

Almost surely, 2^1249534474 is an apocalyptic number.

1249534474 is a deficient number, since it is larger than the sum of its proper divisors (680318174).

1249534474 is a wasteful number, since it uses less digits than its factorization.

1249534474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42969.

The product of its digits is 483840, while the sum is 43.

The square root of 1249534474 is about 35348.7549144238. The cubic root of 1249534474 is about 1077.0836023633.

The spelling of 1249534474 in words is "one billion, two hundred forty-nine million, five hundred thirty-four thousand, four hundred seventy-four".