120892508449 has 2 divisors, whose sum is σ = 120892508450. Its totient is φ = 120892508448.

The previous prime is 120892508417. The next prime is 120892508521. The reversal of 120892508449 is 944805298021.

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., 119097461025 + 1795047424 = 345105^2 + 42368^2 .

It is a cyclic number.

It is not a de Polignac number, because 120892508449 - 2⁵ = 120892508417 is a prime.

It is a super-2 number, since 2×120892508449² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120892508396 and 120892508405.

It is not a weakly prime, because it can be changed into another prime (120892503449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60446254224 + 60446254225.

It is an arithmetic number, because the mean of its divisors is an integer number (60446254225).

Almost surely, 2^120892508449 is an apocalyptic number.

It is an amenable number.

120892508449 is a deficient number, since it is larger than the sum of its proper divisors (1).

120892508449 is an equidigital number, since it uses as much as digits as its factorization.

120892508449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 120892508449 in words is "one hundred twenty billion, eight hundred ninety-two million, five hundred eight thousand, four hundred forty-nine".