125401898 has 4 divisors (see below), whose sum is σ = 188102850. Its totient is φ = 62700948.

The previous prime is 125401897. The next prime is 125401901. The reversal of 125401898 is 898104521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77141089 + 48260809 = 8783^2 + 6947^2 .

It is not an unprimeable number, because it can be changed into a prime (125401897) 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 as a sum of consecutive naturals, namely, 31350473 + ... + 31350476.

Almost surely, 2^125401898 is an apocalyptic number.

125401898 is a deficient number, since it is larger than the sum of its proper divisors (62700952).

125401898 is an equidigital number, since it uses as much as digits as its factorization.

125401898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62700951.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 125401898 is about 11198.2988886705. The cubic root of 125401898 is about 500.5352907232.

The spelling of 125401898 in words is "one hundred twenty-five million, four hundred one thousand, eight hundred ninety-eight".