1013420451 has 4 divisors (see below), whose sum is σ = 1351227272. Its totient is φ = 675613632.

The previous prime is 1013420437. The next prime is 1013420477. The reversal of 1013420451 is 1540243101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1013420451 - 2¹¹ = 1013418403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013420351) 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, 168903406 + ... + 168903411.

It is an arithmetic number, because the mean of its divisors is an integer number (337806818).

Almost surely, 2^1013420451 is an apocalyptic number.

1013420451 is a deficient number, since it is larger than the sum of its proper divisors (337806821).

1013420451 is an equidigital number, since it uses as much as digits as its factorization.

1013420451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337806820.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1013420451 is about 31834.2653598289. The cubic root of 1013420451 is about 1004.4536194946.

Adding to 1013420451 its reverse (1540243101), we get a palindrome (2553663552).

The spelling of 1013420451 in words is "one billion, thirteen million, four hundred twenty thousand, four hundred fifty-one".