1141501231 has 16 divisors (see below), whose sum is σ = 1238328000. Its totient is φ = 1045997568.

The previous prime is 1141501183. The next prime is 1141501271. The reversal of 1141501231 is 1321051411.

It is a cyclic number.

It is not a de Polignac number, because 1141501231 - 2⁹ = 1141500719 is a prime.

It is a super-2 number, since 2×1141501231² = 2606050120749030722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1141501199 and 1141501208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141501271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569790 + ... + 1570516.

It is an arithmetic number, because the mean of its divisors is an integer number (77395500).

Almost surely, 2^1141501231 is an apocalyptic number.

1141501231 is a deficient number, since it is larger than the sum of its proper divisors (96826769).

1141501231 is a wasteful number, since it uses less digits than its factorization.

1141501231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1141501231 is about 33786.1100306028. The cubic root of 1141501231 is about 1045.1022788562.

Adding to 1141501231 its reverse (1321051411), we get a palindrome (2462552642).

The spelling of 1141501231 in words is "one billion, one hundred forty-one million, five hundred one thousand, two hundred thirty-one".