1421012065 has 32 divisors (see below), whose sum is σ = 1973859840. Its totient is φ = 970598400.

The previous prime is 1421012063. The next prime is 1421012081. The reversal of 1421012065 is 5602101241.

It is not a de Polignac number, because 1421012065 - 2¹ = 1421012063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421012063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530680 + ... + 533350.

It is an arithmetic number, because the mean of its divisors is an integer number (61683120).

Almost surely, 2^1421012065 is an apocalyptic number.

It is an amenable number.

1421012065 is a deficient number, since it is larger than the sum of its proper divisors (552847775).

1421012065 is a wasteful number, since it uses less digits than its factorization.

1421012065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1421012065 is about 37696.3136791915. The cubic root of 1421012065 is about 1124.2578321421.

The spelling of 1421012065 in words is "one billion, four hundred twenty-one million, twelve thousand, sixty-five".