1420141261 has 16 divisors (see below), whose sum is σ = 1776849408. Its totient is φ = 1102676400.

The previous prime is 1420141243. The next prime is 1420141277. The reversal of 1420141261 is 1621410241.

It is not a de Polignac number, because 1420141261 - 2⁷ = 1420141133 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 (1420145261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10795 + ... + 54376.

It is an arithmetic number, because the mean of its divisors is an integer number (111053088).

Almost surely, 2^1420141261 is an apocalyptic number.

1420141261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1420141261 is a deficient number, since it is larger than the sum of its proper divisors (356708147).

1420141261 is a wasteful number, since it uses less digits than its factorization.

1420141261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65472.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1420141261 is about 37684.7616550775. The cubic root of 1420141261 is about 1124.0281347571.

The spelling of 1420141261 in words is "one billion, four hundred twenty million, one hundred forty-one thousand, two hundred sixty-one".