1146977948 has 24 divisors (see below), whose sum is σ = 2064094032. Its totient is φ = 557276544.

The previous prime is 1146977903. The next prime is 1146977999. The reversal of 1146977948 is 8497796411.

It is a junction number, because it is equal to n+sod(n) for n = 1146977893 and 1146977902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122315 + ... + 131357.

It is an arithmetic number, because the mean of its divisors is an integer number (86003918).

Almost surely, 2^1146977948 is an apocalyptic number.

It is an amenable number.

1146977948 is a deficient number, since it is larger than the sum of its proper divisors (917116084).

1146977948 is a wasteful number, since it uses less digits than its factorization.

1146977948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9941 (or 9939 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 56.

The square root of 1146977948 is about 33867.0628782598. The cubic root of 1146977948 is about 1046.7710169987.

The spelling of 1146977948 in words is "one billion, one hundred forty-six million, nine hundred seventy-seven thousand, nine hundred forty-eight".