1146172740 has 48 divisors (see below), whose sum is σ = 3283925568. Its totient is φ = 298537344.

The previous prime is 1146172721. The next prime is 1146172747. The reversal of 1146172740 is 472716411.

It is not an unprimeable number, because it can be changed into a prime (1146172747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219547 + ... + 224706.

It is an arithmetic number, because the mean of its divisors is an integer number (68415116).

Almost surely, 2^1146172740 is an apocalyptic number.

1146172740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1146172740 is an abundant number, since it is smaller than the sum of its proper divisors (2137752828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1146172740 is a wasteful number, since it uses less digits than its factorization.

1146172740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444308 (or 444306 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 1146172740 is about 33855.1730168375. The cubic root of 1146172740 is about 1046.5260062688.

The spelling of 1146172740 in words is "one billion, one hundred forty-six million, one hundred seventy-two thousand, seven hundred forty".