125142818 has 8 divisors (see below), whose sum is σ = 188697600. Its totient is φ = 62243620.

The previous prime is 125142817. The next prime is 125142841. The reversal of 125142818 is 818241521.

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

It is a super-2 number, since 2×125142818² = 31321449793962248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125142817) 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, 163418 + ... + 164181.

It is an arithmetic number, because the mean of its divisors is an integer number (23587200).

Almost surely, 2^125142818 is an apocalyptic number.

125142818 is a deficient number, since it is larger than the sum of its proper divisors (63554782).

125142818 is a wasteful number, since it uses less digits than its factorization.

125142818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327792.

The product of its digits is 5120, while the sum is 32.

The square root of 125142818 is about 11186.7250793072. The cubic root of 125142818 is about 500.1903515234.

The spelling of 125142818 in words is "one hundred twenty-five million, one hundred forty-two thousand, eight hundred eighteen".