1190422451 has 4 divisors (see below), whose sum is σ = 1190530632. Its totient is φ = 1190314272.

The previous prime is 1190422403. The next prime is 1190422483. The reversal of 1190422451 is 1542240911.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1190422451 - 2¹⁴ = 1190406067 is a prime.

It is a super-2 number, since 2×1190422451² = 2834211223689694802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1190422951) 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, 35441 + ... + 60306.

It is an arithmetic number, because the mean of its divisors is an integer number (297632658).

Almost surely, 2^1190422451 is an apocalyptic number.

1190422451 is a deficient number, since it is larger than the sum of its proper divisors (108181).

1190422451 is an equidigital number, since it uses as much as digits as its factorization.

1190422451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108180.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1190422451 is about 34502.4991993334. The cubic root of 1190422451 is about 1059.8238852419.

The spelling of 1190422451 in words is "one billion, one hundred ninety million, four hundred twenty-two thousand, four hundred fifty-one".