1154041236 has 24 divisors (see below), whose sum is σ = 2991959040. Its totient is φ = 384680376.

The previous prime is 1154041223. The next prime is 1154041237. The reversal of 1154041236 is 6321404511.

It is a happy number.

It is a super-2 number, since 2×1154041236² = 2663622348776815392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154041237) 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, 5342676 + ... + 5342891.

It is an arithmetic number, because the mean of its divisors is an integer number (124664960).

Almost surely, 2^1154041236 is an apocalyptic number.

It is an amenable number.

1154041236 is an abundant number, since it is smaller than the sum of its proper divisors (1837917804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1154041236 is a wasteful number, since it uses less digits than its factorization.

1154041236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10685580 (or 10685572 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1154041236 is about 33971.1824345282. The cubic root of 1154041236 is about 1048.9153534188.

Adding to 1154041236 its reverse (6321404511), we get a palindrome (7475445747).

The spelling of 1154041236 in words is "one billion, one hundred fifty-four million, forty-one thousand, two hundred thirty-six".