1420565501 has 8 divisors (see below), whose sum is σ = 1471118880. Its totient is φ = 1370808432.

The previous prime is 1420565431. The next prime is 1420565521. The reversal of 1420565501 is 1055650241.

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 1420565501 - 2¹⁰ = 1420564477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420565521) 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, 195446 + ... + 202583.

It is an arithmetic number, because the mean of its divisors is an integer number (183889860).

Almost surely, 2^1420565501 is an apocalyptic number.

It is an amenable number.

1420565501 is a deficient number, since it is larger than the sum of its proper divisors (50553379).

1420565501 is an equidigital number, since it uses as much as digits as its factorization.

1420565501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398155.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1420565501 is about 37690.3900351270. The cubic root of 1420565501 is about 1124.1400509054.

The spelling of 1420565501 in words is "one billion, four hundred twenty million, five hundred sixty-five thousand, five hundred one".