119049921 has 9 divisors (see below), whose sum is σ = 172008291. Its totient is φ = 79344792.

The previous prime is 119049913. The next prime is 119049977. The reversal of 119049921 is 129940911.

The square root of 119049921 is 10911.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3186225 + 115863696 = 1785^2 + 10764^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 119049921 - 2³ = 119049913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (119049911) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30915 + ... + 34551.

Almost surely, 2^119049921 is an apocalyptic number.

119049921 is the 10911-st square number.

119049921 is the 5456-th centered octagonal number.

It is an amenable number.

119049921 is a deficient number, since it is larger than the sum of its proper divisors (52958370).

119049921 is an frugal number, since it uses more digits than its factorization.

119049921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280 (or 3640 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The cubic root of 119049921 is about 491.9372441273.

Multiplying 119049921 by its sum of digits (36), we get a square (4285797156 = 65466²).

The spelling of 119049921 in words is "one hundred nineteen million, forty-nine thousand, nine hundred twenty-one".