1146774421 has 4 divisors (see below), whose sum is σ = 1234987852. Its totient is φ = 1058560992.

The previous prime is 1146774407. The next prime is 1146774427. The reversal of 1146774421 is 1244776411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 574129521 + 572644900 = 23961^2 + 23930^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146774421 - 2⁹ = 1146773909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146774427) 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, 44106696 + ... + 44106721.

It is an arithmetic number, because the mean of its divisors is an integer number (308746963).

Almost surely, 2^1146774421 is an apocalyptic number.

It is an amenable number.

1146774421 is a deficient number, since it is larger than the sum of its proper divisors (88213431).

1146774421 is an equidigital number, since it uses as much as digits as its factorization.

1146774421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88213430.

The product of its digits is 37632, while the sum is 37.

The square root of 1146774421 is about 33864.0579523482. The cubic root of 1146774421 is about 1046.7090981193.

The spelling of 1146774421 in words is "one billion, one hundred forty-six million, seven hundred seventy-four thousand, four hundred twenty-one".