1045114021 has 4 divisors (see below), whose sum is σ = 1194416032. Its totient is φ = 895812012.

The previous prime is 1045114003. The next prime is 1045114033. The reversal of 1045114021 is 1204115401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1045114021 - 2⁷ = 1045113893 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 1045114021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045114001) 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, 74650995 + ... + 74651008.

It is an arithmetic number, because the mean of its divisors is an integer number (298604008).

Almost surely, 2^1045114021 is an apocalyptic number.

It is an amenable number.

1045114021 is a deficient number, since it is larger than the sum of its proper divisors (149302011).

1045114021 is an equidigital number, since it uses as much as digits as its factorization.

1045114021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149302010.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1045114021 is about 32328.2232886374. The cubic root of 1045114021 is about 1014.8173681937.

Adding to 1045114021 its reverse (1204115401), we get a palindrome (2249229422).

The spelling of 1045114021 in words is "one billion, forty-five million, one hundred fourteen thousand, twenty-one".