120261966 has 32 divisors (see below), whose sum is σ = 264297600. Its totient is φ = 36178080.

The previous prime is 120261959. The next prime is 120261971. The reversal of 120261966 is 669162021.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 2620 + ... + 15728.

It is an arithmetic number, because the mean of its divisors is an integer number (8259300).

Almost surely, 2^120261966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120261966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132148800).

120261966 is an abundant number, since it is smaller than the sum of its proper divisors (144035634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120261966 is a wasteful number, since it uses less digits than its factorization.

120261966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13264.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 120261966 is about 10966.4016887947. The cubic root of 120261966 is about 493.6010782838.

The spelling of 120261966 in words is "one hundred twenty million, two hundred sixty-one thousand, nine hundred sixty-six".