1146061312 has 80 divisors (see below), whose sum is σ = 2541132000. Its totient is φ = 511959040.

The previous prime is 1146061303. The next prime is 1146061321. The reversal of 1146061312 is 2131606411.

It is an interprime number because it is at equal distance from previous prime (1146061303) and next prime (1146061321).

It is a super-2 number, since 2×1146061312² = 2626913061726322688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330564 + ... + 334012.

It is an arithmetic number, because the mean of its divisors is an integer number (31764150).

Almost surely, 2^1146061312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1146061312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270566000).

1146061312 is an abundant number, since it is smaller than the sum of its proper divisors (1395070688).

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

1146061312 is an equidigital number, since it uses as much as digits as its factorization.

1146061312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3537 (or 3521 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1146061312 is about 33853.5273199116. The cubic root of 1146061312 is about 1046.4920916372.

Adding to 1146061312 its reverse (2131606411), we get a palindrome (3277667723).

The spelling of 1146061312 in words is "one billion, one hundred forty-six million, sixty-one thousand, three hundred twelve".