125097091 has 8 divisors (see below), whose sum is σ = 143065440. Its totient is φ = 107153088.

The previous prime is 125097079. The next prime is 125097103. The reversal of 125097091 is 190790521.

It is an interprime number because it is at equal distance from previous prime (125097079) and next prime (125097103).

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

It is not a de Polignac number, because 125097091 - 2¹¹ = 125095043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125097061) 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, 6735 + ... + 17191.

It is an arithmetic number, because the mean of its divisors is an integer number (17883180).

Almost surely, 2^125097091 is an apocalyptic number.

125097091 is a deficient number, since it is larger than the sum of its proper divisors (17968349).

125097091 is a wasteful number, since it uses less digits than its factorization.

125097091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12173.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 125097091 is about 11184.6810862000. The cubic root of 125097091 is about 500.1294211641.

It can be divided in two parts, 12509 and 7091, that added together give a square (19600 = 140²).

The spelling of 125097091 in words is "one hundred twenty-five million, ninety-seven thousand, ninety-one".