1121919461 has 8 divisors (see below), whose sum is σ = 1260752640. Its totient is φ = 990590832.

The previous prime is 1121919431. The next prime is 1121919479. The reversal of 1121919461 is 1649191211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121919461 - 2¹⁰ = 1121918437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121919431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875821 + ... + 1876418.

It is an arithmetic number, because the mean of its divisors is an integer number (157594080).

Almost surely, 2^1121919461 is an apocalyptic number.

It is an amenable number.

1121919461 is a deficient number, since it is larger than the sum of its proper divisors (138833179).

1121919461 is a wasteful number, since it uses less digits than its factorization.

1121919461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752275.

The product of its digits is 3888, while the sum is 35.

The square root of 1121919461 is about 33495.0662187732. The cubic root of 1121919461 is about 1039.0917430861.

The spelling of 1121919461 in words is "one billion, one hundred twenty-one million, nine hundred nineteen thousand, four hundred sixty-one".