1249446532 has 12 divisors (see below), whose sum is σ = 2187113040. Its totient is φ = 624557096.

The previous prime is 1249446529. The next prime is 1249446557. The reversal of 1249446532 is 2356449421.

It is a happy number.

It is a super-2 number, since 2×1249446532² = 3122233272653654048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23782 + ... + 55357.

It is an arithmetic number, because the mean of its divisors is an integer number (182259420).

Almost surely, 2^1249446532 is an apocalyptic number.

It is an amenable number.

1249446532 is a deficient number, since it is larger than the sum of its proper divisors (937666508).

1249446532 is a wasteful number, since it uses less digits than its factorization.

1249446532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83090 (or 83088 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 1249446532 is about 35347.5109731930. The cubic root of 1249446532 is about 1077.0583334570.

The spelling of 1249446532 in words is "one billion, two hundred forty-nine million, four hundred forty-six thousand, five hundred thirty-two".