120999242 has 32 divisors (see below), whose sum is σ = 223934592. Its totient is φ = 47749824.

The previous prime is 120999211. The next prime is 120999257. The reversal of 120999242 is 242999021.

It is a junction number, because it is equal to n+sod(n) for n = 120999196 and 120999205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132953 + ... + 133859.

It is an arithmetic number, because the mean of its divisors is an integer number (6997956).

Almost surely, 2^120999242 is an apocalyptic number.

120999242 is a deficient number, since it is larger than the sum of its proper divisors (102935350).

120999242 is a wasteful number, since it uses less digits than its factorization.

120999242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 120999242 is about 10999.9655454006. The cubic root of 120999242 is about 494.6077115034.

The spelling of 120999242 in words is "one hundred twenty million, nine hundred ninety-nine thousand, two hundred forty-two".