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125114531 is a prime number
BaseRepresentation
bin1110111010100…
…01100010100011
322201102110212112
413131101202203
5224012131111
620225345535
73046312253
oct735214243
9281373775
10125114531
1164695443
1235a982ab
131cbc7b89
141288b963
15aeb5e8b
hex77518a3

125114531 has 2 divisors, whose sum is σ = 125114532. Its totient is φ = 125114530.

The previous prime is 125114491. The next prime is 125114557. The reversal of 125114531 is 135411521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125114531 - 210 = 125113507 is a prime.

It is a super-2 number, since 2×1251145312 = 31307291734699922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 125114497 and 125114506.

It is not a weakly prime, because it can be changed into another prime (125111531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62557265 + 62557266.

It is an arithmetic number, because the mean of its divisors is an integer number (62557266).

Almost surely, 2125114531 is an apocalyptic number.

125114531 is a deficient number, since it is larger than the sum of its proper divisors (1).

125114531 is an equidigital number, since it uses as much as digits as its factorization.

125114531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 23.

The square root of 125114531 is about 11185.4606968153. The cubic root of 125114531 is about 500.1526613843.

The spelling of 125114531 in words is "one hundred twenty-five million, one hundred fourteen thousand, five hundred thirty-one".