1420060521 has 32 divisors (see below), whose sum is σ = 2086456320. Its totient is φ = 851979200.

The previous prime is 1420060517. The next prime is 1420060531. The reversal of 1420060521 is 1250600241.

It is a cyclic number.

It is not a de Polignac number, because 1420060521 - 2² = 1420060517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420060501) 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, 1836691 + ... + 1837463.

It is an arithmetic number, because the mean of its divisors is an integer number (65201760).

Almost surely, 2^1420060521 is an apocalyptic number.

1420060521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1420060521 is a deficient number, since it is larger than the sum of its proper divisors (666395799).

1420060521 is a wasteful number, since it uses less digits than its factorization.

1420060521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1420060521 is about 37683.6903845682. The cubic root of 1420060521 is about 1124.0068327092.

Adding to 1420060521 its reverse (1250600241), we get a palindrome (2670660762).

The spelling of 1420060521 in words is "one billion, four hundred twenty million, sixty thousand, five hundred twenty-one".