Search a number
-
+
125113969 = 139989431
BaseRepresentation
bin1110111010100…
…01011001110001
322201102110002201
413131101121301
5224012121334
620225343201
73046310521
oct735213161
9281373081
10125113969
1164694a82
1235a97b01
131cbc7846
141288b681
15aeb5c14
hex7751671

125113969 has 4 divisors (see below), whose sum is σ = 125204800. Its totient is φ = 125023140.

The previous prime is 125113943. The next prime is 125113979. The reversal of 125113969 is 969311521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125113969 - 213 = 125105777 is a prime.

It is a super-2 number, since 2×1251139692 = 31307010477865922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125113979) 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, 43317 + ... + 46114.

It is an arithmetic number, because the mean of its divisors is an integer number (31301200).

Almost surely, 2125113969 is an apocalyptic number.

It is an amenable number.

125113969 is a deficient number, since it is larger than the sum of its proper divisors (90831).

125113969 is an equidigital number, since it uses as much as digits as its factorization.

125113969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90830.

The product of its digits is 14580, while the sum is 37.

The square root of 125113969 is about 11185.4355748893. The cubic root of 125113969 is about 500.1519125072.

The spelling of 125113969 in words is "one hundred twenty-five million, one hundred thirteen thousand, nine hundred sixty-nine".

Divisors: 1 1399 89431 125113969