120136507 has 2 divisors, whose sum is σ = 120136508. Its totient is φ = 120136506.

The previous prime is 120136493. The next prime is 120136547. The reversal of 120136507 is 705631021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120136507 is a prime.

It is a super-2 number, since 2×120136507² = 28865560628322098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120136547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60068253 + 60068254.

It is an arithmetic number, because the mean of its divisors is an integer number (60068254).

Almost surely, 2^120136507 is an apocalyptic number.

120136507 is a deficient number, since it is larger than the sum of its proper divisors (1).

120136507 is an equidigital number, since it uses as much as digits as its factorization.

120136507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 120136507 is about 10960.6800427711. The cubic root of 120136507 is about 493.4293746646.

Adding to 120136507 its reverse (705631021), we get a palindrome (825767528).

The spelling of 120136507 in words is "one hundred twenty million, one hundred thirty-six thousand, five hundred seven".