1988233125 has 20 divisors (see below), whose sum is σ = 3312664608. Its totient is φ = 1060390000.

The previous prime is 1988233123. The next prime is 1988233141. The reversal of 1988233125 is 5213328891.

It is a happy number.

It is not a de Polignac number, because 1988233125 - 2¹ = 1988233123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1988233123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 528321 + ... + 532070.

Almost surely, 2^1988233125 is an apocalyptic number.

1988233125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1988233125 is a deficient number, since it is larger than the sum of its proper divisors (1324431483).

1988233125 is an equidigital number, since it uses as much as digits as its factorization.

1988233125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060414 (or 1060399 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 1988233125 is about 44589.6078139290. The cubic root of 1988233125 is about 1257.4452993029.

The spelling of 1988233125 in words is "one billion, nine hundred eighty-eight million, two hundred thirty-three thousand, one hundred twenty-five".