125097747 has 8 divisors (see below), whose sum is σ = 176608656. Its totient is φ = 78492672.

The previous prime is 125097743. The next prime is 125097751. The reversal of 125097747 is 747790521.

It is an interprime number because it is at equal distance from previous prime (125097743) and next prime (125097751).

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

It is not a de Polignac number, because 125097747 - 2² = 125097743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125097699 and 125097708.

It is not an unprimeable number, because it can be changed into a prime (125097743) 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, 1226398 + ... + 1226499.

It is an arithmetic number, because the mean of its divisors is an integer number (22076082).

Almost surely, 2^125097747 is an apocalyptic number.

125097747 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

125097747 is a deficient number, since it is larger than the sum of its proper divisors (51510909).

125097747 is a wasteful number, since it uses less digits than its factorization.

125097747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452917.

The product of its (nonzero) digits is 123480, while the sum is 42.

The square root of 125097747 is about 11184.7104119865. The cubic root of 125097747 is about 500.1302953766.

The spelling of 125097747 in words is "one hundred twenty-five million, ninety-seven thousand, seven hundred forty-seven".