1249248408 has 32 divisors (see below), whose sum is σ = 3167112960. Its totient is φ = 410550560.

The previous prime is 1249248389. The next prime is 1249248431. The reversal of 1249248408 is 8048429421.

It is a self number, because there is not a number n which added to its sum of digits gives 1249248408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364860 + ... + 368267.

It is an arithmetic number, because the mean of its divisors is an integer number (98972280).

Almost surely, 2^1249248408 is an apocalyptic number.

It is an amenable number.

1249248408 is an abundant number, since it is smaller than the sum of its proper divisors (1917864552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1249248408 is a wasteful number, since it uses less digits than its factorization.

1249248408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733207 (or 733203 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 1249248408 is about 35344.7083450974. The cubic root of 1249248408 is about 1077.0014009460.

The spelling of 1249248408 in words is "one billion, two hundred forty-nine million, two hundred forty-eight thousand, four hundred eight".