1121764023 has 24 divisors (see below), whose sum is σ = 1718849808. Its totient is φ = 702534912.

The previous prime is 1121764019. The next prime is 1121764031. The reversal of 1121764023 is 3204671211.

1121764023 is a `hidden beast` number, since 1 + 1 + 2 + 17 + 640 + 2 + 3 = 666.

It is not a de Polignac number, because 1121764023 - 2² = 1121764019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121764043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78640 + ... + 91802.

It is an arithmetic number, because the mean of its divisors is an integer number (71618742).

Almost surely, 2^1121764023 is an apocalyptic number.

1121764023 is a deficient number, since it is larger than the sum of its proper divisors (597085785).

1121764023 is a wasteful number, since it uses less digits than its factorization.

1121764023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13743 (or 13740 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1121764023 is about 33492.7458265219. The cubic root of 1121764023 is about 1039.0437533662.

The spelling of 1121764023 in words is "one billion, one hundred twenty-one million, seven hundred sixty-four thousand, twenty-three".