1416121261 has 4 divisors (see below), whose sum is σ = 1461802624. Its totient is φ = 1370439900.

The previous prime is 1416121249. The next prime is 1416121271. The reversal of 1416121261 is 1621216141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1416121261 - 2⁵ = 1416121229 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 (1416121211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22840635 + ... + 22840696.

It is an arithmetic number, because the mean of its divisors is an integer number (365450656).

Almost surely, 2^1416121261 is an apocalyptic number.

It is an amenable number.

1416121261 is a deficient number, since it is larger than the sum of its proper divisors (45681363).

1416121261 is an equidigital number, since it uses as much as digits as its factorization.

1416121261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45681362.

The product of its digits is 576, while the sum is 25.

The square root of 1416121261 is about 37631.3866473188. The cubic root of 1416121261 is about 1122.9665353365.

The spelling of 1416121261 in words is "one billion, four hundred sixteen million, one hundred twenty-one thousand, two hundred sixty-one".