1023507049 has 4 divisors (see below), whose sum is σ = 1083713364. Its totient is φ = 963300736.

The previous prime is 1023507047. The next prime is 1023507053. The reversal of 1023507049 is 9407053201.

1023507049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 909444649 + 114062400 = 30157^2 + 10680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023507049 - 2¹ = 1023507047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023507049.

It is not an unprimeable number, because it can be changed into a prime (1023507047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30103132 + ... + 30103165.

It is an arithmetic number, because the mean of its divisors is an integer number (270928341).

Almost surely, 2^1023507049 is an apocalyptic number.

It is an amenable number.

1023507049 is a deficient number, since it is larger than the sum of its proper divisors (60206315).

1023507049 is an equidigital number, since it uses as much as digits as its factorization.

1023507049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60206314.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1023507049 is about 31992.2967134277. The cubic root of 1023507049 is about 1007.7750745435.

The spelling of 1023507049 in words is "one billion, twenty-three million, five hundred seven thousand, forty-nine".