1421436041 has 4 divisors (see below), whose sum is σ = 1483237632. Its totient is φ = 1359634452.

The previous prime is 1421436017. The next prime is 1421436077. The reversal of 1421436041 is 1406341241.

It is a happy number.

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 1421436041 - 2¹⁰ = 1421435017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421436041.

It is not an unprimeable number, because it can be changed into a prime (1421436241) 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, 30900761 + ... + 30900806.

It is an arithmetic number, because the mean of its divisors is an integer number (370809408).

Almost surely, 2^1421436041 is an apocalyptic number.

It is an amenable number.

1421436041 is a deficient number, since it is larger than the sum of its proper divisors (61801591).

1421436041 is an equidigital number, since it uses as much as digits as its factorization.

1421436041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61801590.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1421436041 is about 37701.9368335368. The cubic root of 1421436041 is about 1124.3696329618.

Adding to 1421436041 its reverse (1406341241), we get a palindrome (2827777282).

The spelling of 1421436041 in words is "one billion, four hundred twenty-one million, four hundred thirty-six thousand, forty-one".