1112561146 has 4 divisors (see below), whose sum is σ = 1668841722. Its totient is φ = 556280572.

The previous prime is 1112561113. The next prime is 1112561179. The reversal of 1112561146 is 6411652111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6411652111 = 61 ⋅105109051.

It is an interprime number because it is at equal distance from previous prime (1112561113) and next prime (1112561179).

It can be written as a sum of positive squares in only one way, i.e., 1107891225 + 4669921 = 33285^2 + 2161^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278140285 + ... + 278140288.

Almost surely, 2^1112561146 is an apocalyptic number.

1112561146 is a deficient number, since it is larger than the sum of its proper divisors (556280576).

1112561146 is an equidigital number, since it uses as much as digits as its factorization.

1112561146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556280575.

The product of its digits is 1440, while the sum is 28.

The square root of 1112561146 is about 33355.0767650143. The cubic root of 1112561146 is about 1036.1945323493.

The spelling of 1112561146 in words is "one billion, one hundred twelve million, five hundred sixty-one thousand, one hundred forty-six".