125494837 has 12 divisors (see below), whose sum is σ = 136519180. Its totient is φ = 115356696.

The previous prime is 125494801. The next prime is 125494879. The reversal of 125494837 is 738494521.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 4626801 + 120868036 = 2151^2 + 10994^2 .

It is a de Polignac number, because none of the positive numbers 2^k-125494837 is a prime.

It is a super-2 number, since 2×125494837² = 31497908227313138, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (241920) is a multiple of the sum of its prime divisors (252).

It is a junction number, because it is equal to n+sod(n) for n = 125494793 and 125494802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125494037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524964 + ... + 525202.

Almost surely, 2^125494837 is an apocalyptic number.

It is an amenable number.

125494837 is a deficient number, since it is larger than the sum of its proper divisors (11024343).

125494837 is an frugal number, since it uses more digits than its factorization.

125494837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 252 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 125494837 is about 11202.4478128666. The cubic root of 125494837 is about 500.6589139500.

The spelling of 125494837 in words is "one hundred twenty-five million, four hundred ninety-four thousand, eight hundred thirty-seven".