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121044949 = 265745557
BaseRepresentation
bin1110011011011…
…11111111010101
322102202201110021
413031233333111
5221441414244
620002225141
72666602504
oct715577725
9272681407
10121044949
1162365953
12346551b1
131c10173c
141210c83b
15a960284
hex736ffd5

121044949 has 4 divisors (see below), whose sum is σ = 121093164. Its totient is φ = 120996736.

The previous prime is 121044919. The next prime is 121044967. The reversal of 121044949 is 949440121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65318724 + 55726225 = 8082^2 + 7465^2 .

It is a cyclic number.

It is not a de Polignac number, because 121044949 - 27 = 121044821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121044919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20122 + ... + 25435.

It is an arithmetic number, because the mean of its divisors is an integer number (30273291).

Almost surely, 2121044949 is an apocalyptic number.

It is an amenable number.

121044949 is a deficient number, since it is larger than the sum of its proper divisors (48215).

121044949 is an equidigital number, since it uses as much as digits as its factorization.

121044949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48214.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 121044949 is about 11002.0429466531. The cubic root of 121044949 is about 494.6699823857.

The spelling of 121044949 in words is "one hundred twenty-one million, forty-four thousand, nine hundred forty-nine".

Divisors: 1 2657 45557 121044949