1021364379 has 36 divisors (see below), whose sum is σ = 1752719904. Its totient is φ = 571207392.

The previous prime is 1021364371. The next prime is 1021364387. The reversal of 1021364379 is 9734631201.

1021364379 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 3 + 643 + 7 + 9 = 666.

1021364379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1021364371) and next prime (1021364387).

It is not a de Polignac number, because 1021364379 - 2³ = 1021364371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021364371) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3912 + ... + 45365.

It is an arithmetic number, because the mean of its divisors is an integer number (48686664).

Almost surely, 2^1021364379 is an apocalyptic number.

1021364379 is a deficient number, since it is larger than the sum of its proper divisors (731355525).

1021364379 is a wasteful number, since it uses less digits than its factorization.

1021364379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49344 (or 49334 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1021364379 is about 31958.7918889310. The cubic root of 1021364379 is about 1007.0713379812.

The spelling of 1021364379 in words is "one billion, twenty-one million, three hundred sixty-four thousand, three hundred seventy-nine".