119399021 has 16 divisors (see below), whose sum is σ = 146002560. Its totient is φ = 95359680.

The previous prime is 119399017. The next prime is 119399029. The reversal of 119399021 is 120993911.

It is a cyclic number.

It is not a de Polignac number, because 119399021 - 2² = 119399017 is a prime.

It is a super-2 number, since 2×119399021² = 28512252431516882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119399029) 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, 755 + ... + 15471.

It is an arithmetic number, because the mean of its divisors is an integer number (9125160).

Almost surely, 2^119399021 is an apocalyptic number.

It is an amenable number.

119399021 is a deficient number, since it is larger than the sum of its proper divisors (26603539).

119399021 is a wasteful number, since it uses less digits than its factorization.

119399021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14804.

The product of its (nonzero) digits is 4374, while the sum is 35.

The square root of 119399021 is about 10926.9859064611. The cubic root of 119399021 is about 492.4176243993.

The spelling of 119399021 in words is "one hundred nineteen million, three hundred ninety-nine thousand, twenty-one".