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120121053 = 31323313219
BaseRepresentation
bin1110010100011…
…10011011011101
322101000210002220
413022032123131
5221222333203
615530335553
72656004103
oct712163335
9271023086
10120121053
11618947a8
123428a5b9
131bb6a060
1411d4bc73
15a82b653
hex728e6dd

120121053 has 16 divisors (see below), whose sum is σ = 173234880. Its totient is φ = 73597824.

The previous prime is 120121039. The next prime is 120121061. The reversal of 120121053 is 350121021.

It is not a de Polignac number, because 120121053 - 28 = 120120797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121013) 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, 2478 + ... + 15696.

It is an arithmetic number, because the mean of its divisors is an integer number (10827180).

Almost surely, 2120121053 is an apocalyptic number.

120121053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

120121053 is a deficient number, since it is larger than the sum of its proper divisors (53113827).

120121053 is a wasteful number, since it uses less digits than its factorization.

120121053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13468.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 120121053 is about 10959.9750455920. The cubic root of 120121053 is about 493.4082159989.

Adding to 120121053 its reverse (350121021), we get a palindrome (470242074).

The spelling of 120121053 in words is "one hundred twenty million, one hundred twenty-one thousand, fifty-three".

Divisors: 1 3 13 39 233 699 3029 9087 13219 39657 171847 515541 3080027 9240081 40040351 120121053