1420741321 has 8 divisors (see below), whose sum is σ = 1497355200. Its totient is φ = 1344311280.

The previous prime is 1420741319. The next prime is 1420741331. The reversal of 1420741321 is 1231470241.

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 1420741321 - 2¹ = 1420741319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420741331) 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, 29941 + ... + 61138.

It is an arithmetic number, because the mean of its divisors is an integer number (187169400).

Almost surely, 2^1420741321 is an apocalyptic number.

It is an amenable number.

1420741321 is a deficient number, since it is larger than the sum of its proper divisors (76613879).

1420741321 is an equidigital number, since it uses as much as digits as its factorization.

1420741321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91919.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1420741321 is about 37692.7223877501. The cubic root of 1420741321 is about 1124.1864263688.

The spelling of 1420741321 in words is "one billion, four hundred twenty million, seven hundred forty-one thousand, three hundred twenty-one".