1141999125 has 32 divisors (see below), whose sum is σ = 1905890688. Its totient is φ = 607270400.

The previous prime is 1141999099. The next prime is 1141999141. The reversal of 1141999125 is 5219991411.

It is not a de Polignac number, because 1141999125 - 2¹⁰ = 1141998101 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128062 + ... + 136688.

It is an arithmetic number, because the mean of its divisors is an integer number (59559084).

Almost surely, 2^1141999125 is an apocalyptic number.

1141999125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1141999125 is a deficient number, since it is larger than the sum of its proper divisors (763891563).

1141999125 is an equidigital number, since it uses as much as digits as its factorization.

1141999125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8998 (or 8988 counting only the distinct ones).

The product of its digits is 29160, while the sum is 42.

The square root of 1141999125 is about 33793.4775511488. The cubic root of 1141999125 is about 1045.2542058402.

The spelling of 1141999125 in words is "one billion, one hundred forty-one million, nine hundred ninety-nine thousand, one hundred twenty-five".