1151420452 has 24 divisors (see below), whose sum is σ = 2479983296. Its totient is φ = 455506848.

The previous prime is 1151420447. The next prime is 1151420513. The reversal of 1151420452 is 2540241511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581258 + ... + 1581985.

Almost surely, 2^1151420452 is an apocalyptic number.

It is an amenable number.

1151420452 is an abundant number, since it is smaller than the sum of its proper divisors (1328562844).

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

1151420452 is a wasteful number, since it uses less digits than its factorization.

1151420452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163267 (or 3163265 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1151420452 is about 33932.5868745665. The cubic root of 1151420452 is about 1048.1207359006.

Adding to 1151420452 its reverse (2540241511), we get a palindrome (3691661963).

The spelling of 1151420452 in words is "one billion, one hundred fifty-one million, four hundred twenty thousand, four hundred fifty-two".