1020456970 has 32 divisors (see below), whose sum is σ = 1980760320. Its totient is φ = 376280640.

The previous prime is 1020456953. The next prime is 1020456971. The reversal of 1020456970 is 796540201.

It is not an unprimeable number, because it can be changed into a prime (1020456971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100591 + ... + 110269.

It is an arithmetic number, because the mean of its divisors is an integer number (61898760).

Almost surely, 2^1020456970 is an apocalyptic number.

1020456970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020456970 is a deficient number, since it is larger than the sum of its proper divisors (960303350).

1020456970 is a wasteful number, since it uses less digits than its factorization.

1020456970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1020456970 is about 31944.5921870980. The cubic root of 1020456970 is about 1006.7730127308.

The spelling of 1020456970 in words is "one billion, twenty million, four hundred fifty-six thousand, nine hundred seventy".