1146120643 has 8 divisors (see below), whose sum is σ = 1165456160. Its totient is φ = 1126802880.

The previous prime is 1146120631. The next prime is 1146120691. The reversal of 1146120643 is 3460216411.

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

It is a cyclic number.

It is not a de Polignac number, because 1146120643 - 2²⁹ = 609249731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146120043) 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, 217423 + ... + 222631.

It is an arithmetic number, because the mean of its divisors is an integer number (145682020).

Almost surely, 2^1146120643 is an apocalyptic number.

1146120643 is a deficient number, since it is larger than the sum of its proper divisors (19335517).

1146120643 is an equidigital number, since it uses as much as digits as its factorization.

1146120643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8877.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1146120643 is about 33854.4035983504. The cubic root of 1146120643 is about 1046.5101501099.

The spelling of 1146120643 in words is "one billion, one hundred forty-six million, one hundred twenty thousand, six hundred forty-three".