125249469 has 8 divisors (see below), whose sum is σ = 167479200. Its totient is φ = 83259696.

The previous prime is 125249461. The next prime is 125249479. The reversal of 125249469 is 964942521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125249469 - 2³ = 125249461 is a prime.

It is a super-2 number, since 2×125249469² = 31374858969563922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125249469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125249461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58767 + ... + 60860.

It is an arithmetic number, because the mean of its divisors is an integer number (20934900).

Almost surely, 2^125249469 is an apocalyptic number.

It is an amenable number.

125249469 is a deficient number, since it is larger than the sum of its proper divisors (42229731).

125249469 is a wasteful number, since it uses less digits than its factorization.

125249469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119979.

The product of its digits is 155520, while the sum is 42.

The square root of 125249469 is about 11191.4909194441. The cubic root of 125249469 is about 500.3324042991.

It can be divided in two parts, 1252 and 49469, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 125249469 in words is "one hundred twenty-five million, two hundred forty-nine thousand, four hundred sixty-nine".