1152224451 has 12 divisors (see below), whose sum is σ = 1902084912. Its totient is φ = 658413936.

The previous prime is 1152224443. The next prime is 1152224459. The reversal of 1152224451 is 1544222511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1152224443) and next prime (1152224459).

It is not a de Polignac number, because 1152224451 - 2³ = 1152224443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1152224459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9144576 + ... + 9144701.

It is an arithmetic number, because the mean of its divisors is an integer number (158507076).

Almost surely, 2^1152224451 is an apocalyptic number.

1152224451 is a deficient number, since it is larger than the sum of its proper divisors (749860461).

1152224451 is a wasteful number, since it uses less digits than its factorization.

1152224451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18289290 (or 18289287 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1152224451 is about 33944.4318114179. The cubic root of 1152224451 is about 1048.3646352100.

Adding to 1152224451 its reverse (1544222511), we get a palindrome (2696446962).

The spelling of 1152224451 in words is "one billion, one hundred fifty-two million, two hundred twenty-four thousand, four hundred fifty-one".