1145241131 has 8 divisors (see below), whose sum is σ = 1238099280. Its totient is φ = 1055641248.

The previous prime is 1145241107. The next prime is 1145241187. The reversal of 1145241131 is 1311425411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145241131 - 2¹⁸ = 1144978987 is a prime.

It is a super-2 number, since 2×1145241131² = 2623154496268318322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145241097 and 1145241106.

It is not an unprimeable number, because it can be changed into a prime (1145241191) 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, 813836 + ... + 815241.

It is an arithmetic number, because the mean of its divisors is an integer number (154762410).

Almost surely, 2^1145241131 is an apocalyptic number.

1145241131 is a deficient number, since it is larger than the sum of its proper divisors (92858149).

1145241131 is a wasteful number, since it uses less digits than its factorization.

1145241131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629133.

The product of its digits is 480, while the sum is 23.

The square root of 1145241131 is about 33841.4114806106. The cubic root of 1145241131 is about 1046.2423906966.

Adding to 1145241131 its reverse (1311425411), we get a palindrome (2456666542).

The spelling of 1145241131 in words is "one billion, one hundred forty-five million, two hundred forty-one thousand, one hundred thirty-one".