1151254542 has 16 divisors (see below), whose sum is σ = 2302842240. Its totient is φ = 383695992.

The previous prime is 1151254541. The next prime is 1151254543. The reversal of 1151254542 is 2454521511.

It is an interprime number because it is at equal distance from previous prime (1151254541) and next prime (1151254543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151254541) 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, 70509 + ... + 85287.

It is an arithmetic number, because the mean of its divisors is an integer number (143927640).

Almost surely, 2^1151254542 is an apocalyptic number.

1151254542 is an abundant number, since it is smaller than the sum of its proper divisors (1151587698).

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

1151254542 is a wasteful number, since it uses less digits than its factorization.

1151254542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27767.

The product of its digits is 8000, while the sum is 30.

The square root of 1151254542 is about 33930.1420863515. The cubic root of 1151254542 is about 1048.0703916891.

The spelling of 1151254542 in words is "one billion, one hundred fifty-one million, two hundred fifty-four thousand, five hundred forty-two".