120641672 has 16 divisors (see below), whose sum is σ = 228444300. Its totient is φ = 59723200.

The previous prime is 120641671. The next prime is 120641681. The reversal of 120641672 is 276146021.

It can be written as a sum of positive squares in 2 ways, for example, as 114361636 + 6280036 = 10694^2 + 2506^2 .

It is not an unprimeable number, because it can be changed into a prime (120641671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73847 + ... + 75462.

Almost surely, 2^120641672 is an apocalyptic number.

It is an amenable number.

120641672 is a deficient number, since it is larger than the sum of its proper divisors (107802628).

120641672 is a wasteful number, since it uses less digits than its factorization.

120641672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149416 (or 149412 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 120641672 is about 10983.7002872438. The cubic root of 120641672 is about 494.1200187005.

Adding to 120641672 its reverse (276146021), we get a palindrome (396787693).

The spelling of 120641672 in words is "one hundred twenty million, six hundred forty-one thousand, six hundred seventy-two".