1022751457 has 16 divisors (see below), whose sum is σ = 1263814272. Its totient is φ = 805968000.

The previous prime is 1022751397. The next prime is 1022751463. The reversal of 1022751457 is 7541572201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022751457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022751157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453 + ... + 45229.

It is an arithmetic number, because the mean of its divisors is an integer number (78988392).

Almost surely, 2^1022751457 is an apocalyptic number.

It is an amenable number.

1022751457 is a deficient number, since it is larger than the sum of its proper divisors (241062815).

1022751457 is a wasteful number, since it uses less digits than its factorization.

1022751457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45048.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 1022751457 is about 31980.4855654194. The cubic root of 1022751457 is about 1007.5270208074.

The spelling of 1022751457 in words is "one billion, twenty-two million, seven hundred fifty-one thousand, four hundred fifty-seven".