125220254 has 4 divisors (see below), whose sum is σ = 187830384. Its totient is φ = 62610126.

The previous prime is 125220239. The next prime is 125220269. The reversal of 125220254 is 452022521.

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

It is an interprime number because it is at equal distance from previous prime (125220239) and next prime (125220269).

It is a super-2 number, since 2×125220254² = 31360224023649032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31305062 + ... + 31305065.

It is an arithmetic number, because the mean of its divisors is an integer number (46957596).

Almost surely, 2^125220254 is an apocalyptic number.

125220254 is a deficient number, since it is larger than the sum of its proper divisors (62610130).

125220254 is an equidigital number, since it uses as much as digits as its factorization.

125220254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62610129.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 125220254 is about 11190.1856106143. The cubic root of 125220254 is about 500.2934996822.

Adding to 125220254 its reverse (452022521), we get a palindrome (577242775).

The spelling of 125220254 in words is "one hundred twenty-five million, two hundred twenty thousand, two hundred fifty-four".