1121560634 has 4 divisors (see below), whose sum is σ = 1682340954. Its totient is φ = 560780316.

The previous prime is 1121560621. The next prime is 1121560651. The reversal of 1121560634 is 4360651211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1017418609 + 104142025 = 31897^2 + 10205^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1121560597 and 1121560606.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280390157 + ... + 280390160.

Almost surely, 2^1121560634 is an apocalyptic number.

1121560634 is a deficient number, since it is larger than the sum of its proper divisors (560780320).

1121560634 is an equidigital number, since it uses as much as digits as its factorization.

1121560634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560780319.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1121560634 is about 33489.7093746721. The cubic root of 1121560634 is about 1038.9809526229.

The spelling of 1121560634 in words is "one billion, one hundred twenty-one million, five hundred sixty thousand, six hundred thirty-four".