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120775253 = 140985717
BaseRepresentation
bin1110011001011…
…10001001010101
322102021000111112
413030232021111
5221404302003
615552344405
72664400304
oct714561125
9272230445
10120775253
11621a1265
1234545105
131c038a61
141207c43b
15a90a3d8
hex732e255

120775253 has 4 divisors (see below), whose sum is σ = 120862380. Its totient is φ = 120688128.

The previous prime is 120775243. The next prime is 120775271. The reversal of 120775253 is 352577021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352577021 = 1039133931.

It can be written as a sum of positive squares in 2 ways, for example, as 9746884 + 111028369 = 3122^2 + 10537^2 .

It is a cyclic number.

It is not a de Polignac number, because 120775253 - 222 = 116580949 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 (120775243) 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, 41450 + ... + 44267.

It is an arithmetic number, because the mean of its divisors is an integer number (30215595).

Almost surely, 2120775253 is an apocalyptic number.

It is an amenable number.

120775253 is a deficient number, since it is larger than the sum of its proper divisors (87127).

120775253 is an equidigital number, since it uses as much as digits as its factorization.

120775253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87126.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 120775253 is about 10989.7794791342. The cubic root of 120775253 is about 494.3023235892.

The spelling of 120775253 in words is "one hundred twenty million, seven hundred seventy-five thousand, two hundred fifty-three".

Divisors: 1 1409 85717 120775253