1239901148 has 12 divisors (see below), whose sum is σ = 2244648840. Its totient is φ = 598572912.

The previous prime is 1239901147. The next prime is 1239901163. The reversal of 1239901148 is 8411099321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1239901147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5344286 + ... + 5344517.

It is an arithmetic number, because the mean of its divisors is an integer number (187054070).

Almost surely, 2^1239901148 is an apocalyptic number.

It is an amenable number.

1239901148 is a deficient number, since it is larger than the sum of its proper divisors (1004747692).

1239901148 is a wasteful number, since it uses less digits than its factorization.

1239901148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10688836 (or 10688834 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1239901148 is about 35212.2300912623. The cubic root of 1239901148 is about 1074.3085217443.

The spelling of 1239901148 in words is "one billion, two hundred thirty-nine million, nine hundred one thousand, one hundred forty-eight".