1146418247 has 8 divisors (see below), whose sum is σ = 1240143744. Its totient is φ = 1053484128.

The previous prime is 1146418241. The next prime is 1146418267. The reversal of 1146418247 is 7428146411.

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 1146418247 - 2⁶ = 1146418183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1146418247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146418241) 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, 194828 + ... + 200625.

It is an arithmetic number, because the mean of its divisors is an integer number (155017968).

Almost surely, 2^1146418247 is an apocalyptic number.

1146418247 is a deficient number, since it is larger than the sum of its proper divisors (93725497).

1146418247 is a wasteful number, since it uses less digits than its factorization.

1146418247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395689.

The product of its digits is 43008, while the sum is 38.

The square root of 1146418247 is about 33858.7986644535. The cubic root of 1146418247 is about 1046.6007219171.

The spelling of 1146418247 in words is "one billion, one hundred forty-six million, four hundred eighteen thousand, two hundred forty-seven".