1147611948 has 36 divisors (see below), whose sum is σ = 3114948312. Its totient is φ = 327888960.

The previous prime is 1147611937. The next prime is 1147611961. The reversal of 1147611948 is 8491167411.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 975273 + ... + 976448.

It is an arithmetic number, because the mean of its divisors is an integer number (86526342).

Almost surely, 2^1147611948 is an apocalyptic number.

It is an amenable number.

1147611948 is an abundant number, since it is smaller than the sum of its proper divisors (1967336364).

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

1147611948 is a wasteful number, since it uses less digits than its factorization.

1147611948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951742 (or 1951733 counting only the distinct ones).

The product of its digits is 48384, while the sum is 42.

The square root of 1147611948 is about 33876.4217118633. The cubic root of 1147611948 is about 1046.9638514479.

The spelling of 1147611948 in words is "one billion, one hundred forty-seven million, six hundred eleven thousand, nine hundred forty-eight".