1120219957 has 2 divisors, whose sum is σ = 1120219958. Its totient is φ = 1120219956.

The previous prime is 1120219951. The next prime is 1120219973. The reversal of 1120219957 is 7599120211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1094352561 + 25867396 = 33081^2 + 5086^2 .

It is an emirp because it is prime and its reverse (7599120211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120219957 - 2⁷ = 1120219829 is a prime.

It is a super-2 number, since 2×1120219957² = 2509785504122163698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120219951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560109978 + 560109979.

It is an arithmetic number, because the mean of its divisors is an integer number (560109979).

Almost surely, 2^1120219957 is an apocalyptic number.

It is an amenable number.

1120219957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120219957 is an equidigital number, since it uses as much as digits as its factorization.

1120219957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 37.

The square root of 1120219957 is about 33469.6871362730. The cubic root of 1120219957 is about 1038.5667995765.

The spelling of 1120219957 in words is "one billion, one hundred twenty million, two hundred nineteen thousand, nine hundred fifty-seven".