1023749601 has 24 divisors (see below), whose sum is σ = 1592198784. Its totient is φ = 583400160.

The previous prime is 1023749599. The next prime is 1023749663. The reversal of 1023749601 is 1069473201.

1023749601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1023749601 - 2¹ = 1023749599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023749681) 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, 45496 + ... + 64166.

It is an arithmetic number, because the mean of its divisors is an integer number (66341616).

Almost surely, 2^1023749601 is an apocalyptic number.

It is an amenable number.

1023749601 is a deficient number, since it is larger than the sum of its proper divisors (568449183).

1023749601 is a wasteful number, since it uses less digits than its factorization.

1023749601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19061 (or 19054 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1023749601 is about 31996.0872764155. The cubic root of 1023749601 is about 1007.8546761947.

The spelling of 1023749601 in words is "one billion, twenty-three million, seven hundred forty-nine thousand, six hundred one".