1150022451 has 4 divisors (see below), whose sum is σ = 1533363272. Its totient is φ = 766681632.

The previous prime is 1150022441. The next prime is 1150022473. The reversal of 1150022451 is 1542200511.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1150022451 - 2⁶ = 1150022387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1150022431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191670406 + ... + 191670411.

It is an arithmetic number, because the mean of its divisors is an integer number (383340818).

Almost surely, 2^1150022451 is an apocalyptic number.

1150022451 is a deficient number, since it is larger than the sum of its proper divisors (383340821).

1150022451 is an equidigital number, since it uses as much as digits as its factorization.

1150022451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383340820.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1150022451 is about 33911.9809359465. The cubic root of 1150022451 is about 1047.6963710050.

Adding to 1150022451 its reverse (1542200511), we get a palindrome (2692222962).

The spelling of 1150022451 in words is "one billion, one hundred fifty million, twenty-two thousand, four hundred fifty-one".