1148259972 has 24 divisors (see below), whose sum is σ = 2679905536. Its totient is φ = 382663008.

The previous prime is 1148259949. The next prime is 1148259977. The reversal of 1148259972 is 2799528411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1148259977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59373 + ... + 76299.

Almost surely, 2^1148259972 is an apocalyptic number.

1148259972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1148259972 is an abundant number, since it is smaller than the sum of its proper divisors (1531645564).

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

1148259972 is a wasteful number, since it uses less digits than its factorization.

1148259972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22587 (or 22585 counting only the distinct ones).

The product of its digits is 362880, while the sum is 48.

The square root of 1148259972 is about 33885.9848905119. The cubic root of 1148259972 is about 1047.1608779899.

The spelling of 1148259972 in words is "one billion, one hundred forty-eight million, two hundred fifty-nine thousand, nine hundred seventy-two".