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125112697 is a prime number
BaseRepresentation
bin1110111010100…
…01000101111001
322201102101100121
413131101011321
5224012101242
620225333241
73046304023
oct735210571
9281371317
10125112697
1164694026
1235a97221
131cbc70a8
141288b013
15aeb5667
hex7751179

125112697 has 2 divisors, whose sum is σ = 125112698. Its totient is φ = 125112696.

The previous prime is 125112679. The next prime is 125112727. The reversal of 125112697 is 796211521.

Together with previous prime (125112679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118461456 + 6651241 = 10884^2 + 2579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125112697 is a prime.

It is a super-2 number, since 2×1251126972 = 31306373901227618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125112667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62556348 + 62556349.

It is an arithmetic number, because the mean of its divisors is an integer number (62556349).

Almost surely, 2125112697 is an apocalyptic number.

It is an amenable number.

125112697 is a deficient number, since it is larger than the sum of its proper divisors (1).

125112697 is an equidigital number, since it uses as much as digits as its factorization.

125112697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 34.

The square root of 125112697 is about 11185.3787150905. The cubic root of 125112697 is about 500.1502175315.

The spelling of 125112697 in words is "one hundred twenty-five million, one hundred twelve thousand, six hundred ninety-seven".