1332021379 has 8 divisors (see below), whose sum is σ = 1496853792. Its totient is φ = 1176098880.

The previous prime is 1332021371. The next prime is 1332021389. The reversal of 1332021379 is 9731202331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1332021379 - 2³ = 1332021371 is a prime.

It is a super-2 number, since 2×1332021379² = 3548561908226123282, which contains 22 as substring.

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 1332021379.

It is not an unprimeable number, because it can be changed into a prime (1332021371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2227162 + ... + 2227759.

It is an arithmetic number, because the mean of its divisors is an integer number (187106724).

Almost surely, 2^1332021379 is an apocalyptic number.

1332021379 is a deficient number, since it is larger than the sum of its proper divisors (164832413).

1332021379 is a wasteful number, since it uses less digits than its factorization.

1332021379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454957.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 1332021379 is about 36496.8680711099. The cubic root of 1332021379 is about 1100.2812996833.

The spelling of 1332021379 in words is "one billion, three hundred thirty-two million, twenty-one thousand, three hundred seventy-nine".