125283869 has 2 divisors, whose sum is σ = 125283870. Its totient is φ = 125283868.

The previous prime is 125283793. The next prime is 125283913. The reversal of 125283869 is 968382521.

It is an a-pointer prime, because the next prime (125283913) can be obtained adding 125283869 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76772644 + 48511225 = 8762^2 + 6965^2 .

It is a cyclic number.

It is not a de Polignac number, because 125283869 - 2²⁴ = 108506653 is a prime.

It is a super-2 number, since 2×125283869² = 31392095663218322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125283269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62641934 + 62641935.

It is an arithmetic number, because the mean of its divisors is an integer number (62641935).

Almost surely, 2^125283869 is an apocalyptic number.

It is an amenable number.

125283869 is a deficient number, since it is larger than the sum of its proper divisors (1).

125283869 is an equidigital number, since it uses as much as digits as its factorization.

125283869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 125283869 is about 11193.0276958471. The cubic root of 125283869 is about 500.3782058485.

The spelling of 125283869 in words is "one hundred twenty-five million, two hundred eighty-three thousand, eight hundred sixty-nine".