1021484699 has 4 divisors (see below), whose sum is σ = 1043218464. Its totient is φ = 999750936.

The previous prime is 1021484687. The next prime is 1021484771. The reversal of 1021484699 is 9964841201.

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

It is a cyclic number.

It is not a de Polignac number, because 1021484699 - 2¹⁶ = 1021419163 is a prime.

It is a super-2 number, since 2×1021484699² = 2086861980582241202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021480699) 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, 10866812 + ... + 10866905.

It is an arithmetic number, because the mean of its divisors is an integer number (260804616).

Almost surely, 2^1021484699 is an apocalyptic number.

1021484699 is a deficient number, since it is larger than the sum of its proper divisors (21733765).

1021484699 is an equidigital number, since it uses as much as digits as its factorization.

1021484699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21733764.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 1021484699 is about 31960.6742575935. The cubic root of 1021484699 is about 1007.1108818397.

The spelling of 1021484699 in words is "one billion, twenty-one million, four hundred eighty-four thousand, six hundred ninety-nine".