1020291946 has 32 divisors (see below), whose sum is σ = 1617687360. Its totient is φ = 482080896.

The previous prime is 1020291919. The next prime is 1020291967. The reversal of 1020291946 is 6491920201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360525 + ... + 363343.

It is an arithmetic number, because the mean of its divisors is an integer number (50552730).

Almost surely, 2^1020291946 is an apocalyptic number.

1020291946 is a deficient number, since it is larger than the sum of its proper divisors (597395414).

1020291946 is a wasteful number, since it uses less digits than its factorization.

1020291946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1020291946 is about 31942.0091102611. The cubic root of 1020291946 is about 1006.7187394424.

The spelling of 1020291946 in words is "one billion, twenty million, two hundred ninety-one thousand, nine hundred forty-six".