125741949 has 8 divisors (see below), whose sum is σ = 168685152. Its totient is φ = 83313360.

The previous prime is 125741887. The next prime is 125741977. The reversal of 125741949 is 949147521.

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

It is not a de Polignac number, because 125741949 - 2²⁵ = 92187517 is a prime.

It is a super-2 number, since 2×125741949² = 31622075476637202, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 125741949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125741149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128082 + ... + 129059.

It is an arithmetic number, because the mean of its divisors is an integer number (21085644).

Almost surely, 2^125741949 is an apocalyptic number.

It is an amenable number.

125741949 is a deficient number, since it is larger than the sum of its proper divisors (42943203).

125741949 is a wasteful number, since it uses less digits than its factorization.

125741949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257307.

The product of its digits is 90720, while the sum is 42.

The square root of 125741949 is about 11213.4717639097. The cubic root of 125741949 is about 500.9873144704.

The spelling of 125741949 in words is "one hundred twenty-five million, seven hundred forty-one thousand, nine hundred forty-nine".