125514949 has 4 divisors (see below), whose sum is σ = 143445664. Its totient is φ = 107584236.

The previous prime is 125514943. The next prime is 125515021. The reversal of 125514949 is 949415521.

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, and also an emirpimes, since its reverse is a distinct semiprime: 949415521 = 1433 ⋅662537.

It is a cyclic number.

It is not a de Polignac number, because 125514949 - 2³ = 125514941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125514941) 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, 8965347 + ... + 8965360.

It is an arithmetic number, because the mean of its divisors is an integer number (35861416).

Almost surely, 2^125514949 is an apocalyptic number.

It is an amenable number.

125514949 is a deficient number, since it is larger than the sum of its proper divisors (17930715).

125514949 is an equidigital number, since it uses as much as digits as its factorization.

125514949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17930714.

The product of its digits is 64800, while the sum is 40.

The square root of 125514949 is about 11203.3454378592. The cubic root of 125514949 is about 500.6856579831.

The spelling of 125514949 in words is "one hundred twenty-five million, five hundred fourteen thousand, nine hundred forty-nine".