1042220951 has 2 divisors, whose sum is σ = 1042220952. Its totient is φ = 1042220950.

The previous prime is 1042220941. The next prime is 1042220953. The reversal of 1042220951 is 1590222401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042220951 - 2²⁶ = 975112087 is a prime.

Together with 1042220953, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042220951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042220953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521110475 + 521110476.

It is an arithmetic number, because the mean of its divisors is an integer number (521110476).

Almost surely, 2^1042220951 is an apocalyptic number.

1042220951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042220951 is an equidigital number, since it uses as much as digits as its factorization.

1042220951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1042220951 is about 32283.4470123622. The cubic root of 1042220951 is about 1013.8801017417.

The spelling of 1042220951 in words is "one billion, forty-two million, two hundred twenty thousand, nine hundred fifty-one".