1102421451 has 4 divisors (see below), whose sum is σ = 1469895272. Its totient is φ = 734947632.

The previous prime is 1102421447. The next prime is 1102421459. The reversal of 1102421451 is 1541242011.

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

It is not a de Polignac number, because 1102421451 - 2² = 1102421447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102421459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183736906 + ... + 183736911.

It is an arithmetic number, because the mean of its divisors is an integer number (367473818).

Almost surely, 2^1102421451 is an apocalyptic number.

1102421451 is a deficient number, since it is larger than the sum of its proper divisors (367473821).

1102421451 is an equidigital number, since it uses as much as digits as its factorization.

1102421451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367473820.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1102421451 is about 33202.7325833281. The cubic root of 1102421451 is about 1033.0370196403.

Adding to 1102421451 its reverse (1541242011), we get a palindrome (2643663462).

The spelling of 1102421451 in words is "one billion, one hundred two million, four hundred twenty-one thousand, four hundred fifty-one".