1020297951 has 12 divisors (see below), whose sum is σ = 1528347912. Its totient is φ = 680198472.

The previous prime is 1020297911. The next prime is 1020297953. The reversal of 1020297951 is 1597920201.

It is not a de Polignac number, because 1020297951 - 2²⁹ = 483427039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020297953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2099136 + ... + 2099621.

It is an arithmetic number, because the mean of its divisors is an integer number (127362326).

Almost surely, 2^1020297951 is an apocalyptic number.

1020297951 is a deficient number, since it is larger than the sum of its proper divisors (508049961).

1020297951 is an frugal number, since it uses more digits than its factorization.

1020297951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198772 (or 4198760 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 1020297951 is about 31942.1031085932. The cubic root of 1020297951 is about 1006.7207144765.

The spelling of 1020297951 in words is "one billion, twenty million, two hundred ninety-seven thousand, nine hundred fifty-one".