1138471125 has 128 divisors (see below), whose sum is σ = 2214051840. Its totient is φ = 514080000.

The previous prime is 1138471099. The next prime is 1138471141. The reversal of 1138471125 is 5211748311.

It is not a de Polignac number, because 1138471125 - 2¹¹ = 1138469077 is a prime.

It is a super-2 number, since 2×1138471125² = 2592233004917531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

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 in 127 ways as a sum of consecutive naturals, for example, 3708222 + ... + 3708528.

It is an arithmetic number, because the mean of its divisors is an integer number (17297280).

Almost surely, 2^1138471125 is an apocalyptic number.

1138471125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1138471125 is a deficient number, since it is larger than the sum of its proper divisors (1075580715).

1138471125 is a wasteful number, since it uses less digits than its factorization.

1138471125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 386 counting only the distinct ones).

The product of its digits is 6720, while the sum is 33.

The square root of 1138471125 is about 33741.2377514519. The cubic root of 1138471125 is about 1044.1767208293.

The spelling of 1138471125 in words is "one billion, one hundred thirty-eight million, four hundred seventy-one thousand, one hundred twenty-five".