120271972 has 24 divisors (see below), whose sum is σ = 214643520. Its totient is φ = 58951200.

The previous prime is 120271969. The next prime is 120271973. The reversal of 120271972 is 279172021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120271973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165073 + ... + 165799.

It is an arithmetic number, because the mean of its divisors is an integer number (8943480).

Almost surely, 2^120271972 is an apocalyptic number.

It is an amenable number.

120271972 is a deficient number, since it is larger than the sum of its proper divisors (94371548).

120271972 is a wasteful number, since it uses less digits than its factorization.

120271972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491 (or 1489 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 120271972 is about 10966.8578909367. The cubic root of 120271972 is about 493.6147673870.

The spelling of 120271972 in words is "one hundred twenty million, two hundred seventy-one thousand, nine hundred seventy-two".