1000774148 has 24 divisors (see below), whose sum is σ = 1918201824. Its totient is φ = 453080000.

The previous prime is 1000774121. The next prime is 1000774171. The reversal of 1000774148 is 8414770001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34265 + ... + 56352.

It is an arithmetic number, because the mean of its divisors is an integer number (79925076).

Almost surely, 2^1000774148 is an apocalyptic number.

It is an amenable number.

1000774148 is a deficient number, since it is larger than the sum of its proper divisors (917427676).

1000774148 is a wasteful number, since it uses less digits than its factorization.

1000774148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90883 (or 90881 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 1000774148 is about 31635.0145882691. The cubic root of 1000774148 is about 1000.2579827725.

The spelling of 1000774148 in words is "one billion, seven hundred seventy-four thousand, one hundred forty-eight".