125220044 has 6 divisors (see below), whose sum is σ = 219135084. Its totient is φ = 62610020.

The previous prime is 125220041. The next prime is 125220061. The reversal of 125220044 is 440022521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 125219998 and 125220025.

It is not an unprimeable number, because it can be changed into a prime (125220041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15652502 + ... + 15652509.

It is an arithmetic number, because the mean of its divisors is an integer number (36522514).

Almost surely, 2^125220044 is an apocalyptic number.

It is an amenable number.

125220044 is a deficient number, since it is larger than the sum of its proper divisors (93915040).

125220044 is a wasteful number, since it uses less digits than its factorization.

125220044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31305015 (or 31305013 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 125220044 is about 11190.1762273880. The cubic root of 125220044 is about 500.2932200104.

Adding to 125220044 its reverse (440022521), we get a palindrome (565242565).

The spelling of 125220044 in words is "one hundred twenty-five million, two hundred twenty thousand, forty-four".