1102621631 has 2 divisors, whose sum is σ = 1102621632. Its totient is φ = 1102621630.

The previous prime is 1102621589. The next prime is 1102621703. The reversal of 1102621631 is 1361262011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102621631 - 2⁶ = 1102621567 is a prime.

It is a super-2 number, since 2×1102621631² = 2431548922298200322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102621597 and 1102621606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102621231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551310815 + 551310816.

It is an arithmetic number, because the mean of its divisors is an integer number (551310816).

Almost surely, 2^1102621631 is an apocalyptic number.

1102621631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102621631 is an equidigital number, since it uses as much as digits as its factorization.

1102621631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1102621631 is about 33205.7469574169. The cubic root of 1102621631 is about 1033.0995428659.

Adding to 1102621631 its reverse (1361262011), we get a palindrome (2463883642).

The spelling of 1102621631 in words is "one billion, one hundred two million, six hundred twenty-one thousand, six hundred thirty-one".