1421340754 has 4 divisors (see below), whose sum is σ = 2132011134. Its totient is φ = 710670376.

The previous prime is 1421340749. The next prime is 1421340799. The reversal of 1421340754 is 4570431241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4570431241 = 71 ⋅64372271.

It can be written as a sum of positive squares in only one way, i.e., 819963225 + 601377529 = 28635^2 + 24523^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355335187 + ... + 355335190.

Almost surely, 2^1421340754 is an apocalyptic number.

1421340754 is a deficient number, since it is larger than the sum of its proper divisors (710670380).

1421340754 is an equidigital number, since it uses as much as digits as its factorization.

1421340754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710670379.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1421340754 is about 37700.6731239642. The cubic root of 1421340754 is about 1124.3445080880.

Adding to 1421340754 its reverse (4570431241), we get a palindrome (5991771995).

The spelling of 1421340754 in words is "one billion, four hundred twenty-one million, three hundred forty thousand, seven hundred fifty-four".