120687641 has 16 divisors (see below), whose sum is σ = 131544000. Its totient is φ = 110277120.

The previous prime is 120687631. The next prime is 120687643. The reversal of 120687641 is 146786021.

It is a cyclic number.

It is not a de Polignac number, because 120687641 - 2¹⁸ = 120425497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120687643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241610 + ... + 242108.

It is an arithmetic number, because the mean of its divisors is an integer number (8221500).

Almost surely, 2^120687641 is an apocalyptic number.

It is an amenable number.

120687641 is a deficient number, since it is larger than the sum of its proper divisors (10856359).

120687641 is a wasteful number, since it uses less digits than its factorization.

120687641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 120687641 is about 10985.7926887412. The cubic root of 120687641 is about 494.1827701484.

The spelling of 120687641 in words is "one hundred twenty million, six hundred eighty-seven thousand, six hundred forty-one".