125552030 has 16 divisors (see below), whose sum is σ = 229699584. Its totient is φ = 49397280.

The previous prime is 125552027. The next prime is 125552039. The reversal of 125552030 is 30255521.

125552030 = 5601² + 5602² + ... + 5604².

It is a junction number, because it is equal to n+sod(n) for n = 125551987 and 125552005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125552039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102302 + ... + 103521.

It is an arithmetic number, because the mean of its divisors is an integer number (14356224).

Almost surely, 2^125552030 is an apocalyptic number.

125552030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125552030 is a deficient number, since it is larger than the sum of its proper divisors (104147554).

125552030 is a wasteful number, since it uses less digits than its factorization.

125552030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205891.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 125552030 is about 11205.0002231147. Note that the first 3 decimals coincide. The cubic root of 125552030 is about 500.7349591408.

The spelling of 125552030 in words is "one hundred twenty-five million, five hundred fifty-two thousand, thirty".