1149402427 has 8 divisors (see below), whose sum is σ = 1176603120. Its totient is φ = 1122223200.

The previous prime is 1149402421. The next prime is 1149402461. The reversal of 1149402427 is 7242049411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1149402427 is a prime.

It is a super-2 number, since 2×1149402427² = 2642251878386980658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1149402392 and 1149402401.

It is not an unprimeable number, because it can be changed into a prime (1149402421) 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, 168177 + ... + 174877.

It is an arithmetic number, because the mean of its divisors is an integer number (147075390).

Almost surely, 2^1149402427 is an apocalyptic number.

1149402427 is a deficient number, since it is larger than the sum of its proper divisors (27200693).

1149402427 is an equidigital number, since it uses as much as digits as its factorization.

1149402427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10733.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 1149402427 is about 33902.8380375449. The cubic root of 1149402427 is about 1047.5080518783.

The spelling of 1149402427 in words is "one billion, one hundred forty-nine million, four hundred two thousand, four hundred twenty-seven".