1121498646 has 32 divisors (see below), whose sum is σ = 2270883840. Its totient is φ = 369212256.

The previous prime is 1121498639. The next prime is 1121498683. The reversal of 1121498646 is 6468941211.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1121498598 and 1121498607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171285 + ... + 177711.

It is an arithmetic number, because the mean of its divisors is an integer number (70965120).

Almost surely, 2^1121498646 is an apocalyptic number.

1121498646 is an abundant number, since it is smaller than the sum of its proper divisors (1149385194).

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

1121498646 is a wasteful number, since it uses less digits than its factorization.

1121498646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6788.

The product of its digits is 82944, while the sum is 42.

The square root of 1121498646 is about 33488.7838835632. The cubic root of 1121498646 is about 1038.9618109804.

The spelling of 1121498646 in words is "one billion, one hundred twenty-one million, four hundred ninety-eight thousand, six hundred forty-six".