1420660601 has 8 divisors (see below), whose sum is σ = 1449652680. Its totient is φ = 1391749632.

The previous prime is 1420660589. The next prime is 1420660627. The reversal of 1420660601 is 1060660241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 570063376 + 850597225 = 23876^2 + 29165^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420660601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420660651) 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, 15755 + ... + 55583.

It is an arithmetic number, because the mean of its divisors is an integer number (181206585).

Almost surely, 2^1420660601 is an apocalyptic number.

It is an amenable number.

1420660601 is a deficient number, since it is larger than the sum of its proper divisors (28992079).

1420660601 is an equidigital number, since it uses as much as digits as its factorization.

1420660601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40555.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1420660601 is about 37691.6516088112. The cubic root of 1420660601 is about 1124.1651355949.

The spelling of 1420660601 in words is "one billion, four hundred twenty million, six hundred sixty thousand, six hundred one".