1102321457 has 2 divisors, whose sum is σ = 1102321458. Its totient is φ = 1102321456.

The previous prime is 1102321421. The next prime is 1102321459. The reversal of 1102321457 is 7541232011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1101642481 + 678976 = 33191^2 + 824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102321457 - 2⁶ = 1102321393 is a prime.

It is a super-2 number, since 2×1102321457² = 2430225189125205698, which contains 22 as substring.

Together with 1102321459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1102321459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551160728 + 551160729.

It is an arithmetic number, because the mean of its divisors is an integer number (551160729).

Almost surely, 2^1102321457 is an apocalyptic number.

It is an amenable number.

1102321457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102321457 is an equidigital number, since it uses as much as digits as its factorization.

1102321457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1102321457 is about 33201.2267393842. The cubic root of 1102321457 is about 1033.0057851770.

Adding to 1102321457 its reverse (7541232011), we get a palindrome (8643553468).

The spelling of 1102321457 in words is "one billion, one hundred two million, three hundred twenty-one thousand, four hundred fifty-seven".