1320102373 has 2 divisors, whose sum is σ = 1320102374. Its totient is φ = 1320102372.

The previous prime is 1320102347. The next prime is 1320102401. The reversal of 1320102373 is 3732010231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 786353764 + 533748609 = 28042^2 + 23103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320102373 is a prime.

It is a super-2 number, since 2×1320102373² = 3485340550400462258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320102073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660051186 + 660051187.

It is an arithmetic number, because the mean of its divisors is an integer number (660051187).

Almost surely, 2^1320102373 is an apocalyptic number.

It is an amenable number.

1320102373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320102373 is an equidigital number, since it uses as much as digits as its factorization.

1320102373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 1320102373 is about 36333.2130838989. The cubic root of 1320102373 is about 1096.9896681424.

The spelling of 1320102373 in words is "one billion, three hundred twenty million, one hundred two thousand, three hundred seventy-three".