125897490 has 80 divisors (see below), whose sum is σ = 345831552. Its totient is φ = 32848416.

The previous prime is 125897483. The next prime is 125897491. The reversal of 125897490 is 94798521.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (125897491) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36417 + ... + 39723.

Almost surely, 2^125897490 is an apocalyptic number.

125897490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125897490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172915776).

125897490 is an abundant number, since it is smaller than the sum of its proper divisors (219934062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125897490 is a wasteful number, since it uses less digits than its factorization.

125897490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373 (or 3364 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 125897490 is about 11220.4050729018. The cubic root of 125897490 is about 501.1938007444.

The spelling of 125897490 in words is "one hundred twenty-five million, eight hundred ninety-seven thousand, four hundred ninety".