1421001411 has 12 divisors (see below), whose sum is σ = 1942013976. Its totient is φ = 924225280.

The previous prime is 1421001347. The next prime is 1421001419. The reversal of 1421001411 is 1141001241.

It is not a de Polignac number, because 1421001411 - 2⁶ = 1421001347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421001419) 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, 135846 + ... + 145931.

It is an arithmetic number, because the mean of its divisors is an integer number (161834498).

Almost surely, 2^1421001411 is an apocalyptic number.

1421001411 is a deficient number, since it is larger than the sum of its proper divisors (521012565).

1421001411 is an equidigital number, since it uses as much as digits as its factorization.

1421001411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281862 (or 281821 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1421001411 is about 37696.1723653742. The cubic root of 1421001411 is about 1124.2550224374.

Adding to 1421001411 its reverse (1141001241), we get a palindrome (2562002652).

The spelling of 1421001411 in words is "one billion, four hundred twenty-one million, one thousand, four hundred eleven".