120603631 has 2 divisors, whose sum is σ = 120603632. Its totient is φ = 120603630.

The previous prime is 120603599. The next prime is 120603677. The reversal of 120603631 is 136306021.

It is a weak prime.

It is an emirp because it is prime and its reverse (136306021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120603631 - 2⁵ = 120603599 is a prime.

It is a super-2 number, since 2×120603631² = 29090471620768322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120603031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60301815 + 60301816.

It is an arithmetic number, because the mean of its divisors is an integer number (60301816).

Almost surely, 2^120603631 is an apocalyptic number.

120603631 is a deficient number, since it is larger than the sum of its proper divisors (1).

120603631 is an equidigital number, since it uses as much as digits as its factorization.

120603631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 120603631 is about 10981.9684483247. The cubic root of 120603631 is about 494.0680775668.

Adding to 120603631 its reverse (136306021), we get a palindrome (256909652).

The spelling of 120603631 in words is "one hundred twenty million, six hundred three thousand, six hundred thirty-one".