1420560061 has 12 divisors (see below), whose sum is σ = 1512476800. Its totient is φ = 1330531488.

The previous prime is 1420560059. The next prime is 1420560073. The reversal of 1420560061 is 1600650241.

It is not a de Polignac number, because 1420560061 - 2¹ = 1420560059 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 (1420560091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145780 + ... + 155218.

Almost surely, 2^1420560061 is an apocalyptic number.

It is an amenable number.

1420560061 is a deficient number, since it is larger than the sum of its proper divisors (91916739).

1420560061 is an frugal number, since it uses more digits than its factorization.

1420560061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9636 (or 9547 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1420560061 is about 37690.3178681210. The cubic root of 1420560061 is about 1124.1386159535.

The spelling of 1420560061 in words is "one billion, four hundred twenty million, five hundred sixty thousand, sixty-one".