1121690678 has 8 divisors (see below), whose sum is σ = 1683034200. Its totient is φ = 560679280.

The previous prime is 1121690641. The next prime is 1121690729. The reversal of 1121690678 is 8760961211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1121690678² = 2516379954224199368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74408 + ... + 88203.

It is an arithmetic number, because the mean of its divisors is an integer number (210379275).

Almost surely, 2^1121690678 is an apocalyptic number.

1121690678 is a deficient number, since it is larger than the sum of its proper divisors (561343522).

1121690678 is a wasteful number, since it uses less digits than its factorization.

1121690678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166062.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 1121690678 is about 33491.6508700303. The cubic root of 1121690678 is about 1039.0211073897.

The spelling of 1121690678 in words is "one billion, one hundred twenty-one million, six hundred ninety thousand, six hundred seventy-eight".