1011023045 has 8 divisors (see below), whose sum is σ = 1214436120. Its totient is φ = 808012800.

The previous prime is 1011023021. The next prime is 1011023047. The reversal of 1011023045 is 5403201101.

It can be written as a sum of positive squares in 4 ways, for example, as 22486564 + 988536481 = 4742^2 + 31441^2 .

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

It is not a de Polignac number, because 1011023045 - 2⁶ = 1011022981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011023047) 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, 95156 + ... + 105245.

It is an arithmetic number, because the mean of its divisors is an integer number (151804515).

Almost surely, 2^1011023045 is an apocalyptic number.

It is an amenable number.

1011023045 is a deficient number, since it is larger than the sum of its proper divisors (203413075).

1011023045 is a wasteful number, since it uses less digits than its factorization.

1011023045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201415.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1011023045 is about 31796.5885748770. The cubic root of 1011023045 is about 1003.6609295729.

Adding to 1011023045 its reverse (5403201101), we get a palindrome (6414224146).

The spelling of 1011023045 in words is "one billion, eleven million, twenty-three thousand, forty-five".