1148978502 has 24 divisors (see below), whose sum is σ = 2845089936. Its totient is φ = 328279536.

The previous prime is 1148978491. The next prime is 1148978527. The reversal of 1148978502 is 2058798411.

1148978502 is a `hidden beast` number, since 11 + 48 + 97 + 8 + 502 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4559313 + ... + 4559564.

It is an arithmetic number, because the mean of its divisors is an integer number (118545414).

Almost surely, 2^1148978502 is an apocalyptic number.

1148978502 is an abundant number, since it is smaller than the sum of its proper divisors (1696111434).

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

1148978502 is a wasteful number, since it uses less digits than its factorization.

1148978502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9118892 (or 9118889 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 1148978502 is about 33896.5854032526. The cubic root of 1148978502 is about 1047.3792546745.

The spelling of 1148978502 in words is "one billion, one hundred forty-eight million, nine hundred seventy-eight thousand, five hundred two".