1451421103 has 8 divisors (see below), whose sum is σ = 1590875136. Its totient is φ = 1313218200.

The previous prime is 1451421091. The next prime is 1451421107. The reversal of 1451421103 is 3011241541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1451421103 - 2⁵ = 1451421071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451421107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310351 + ... + 314992.

It is an arithmetic number, because the mean of its divisors is an integer number (198859392).

Almost surely, 2^1451421103 is an apocalyptic number.

1451421103 is a deficient number, since it is larger than the sum of its proper divisors (139454033).

1451421103 is a wasteful number, since it uses less digits than its factorization.

1451421103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625565.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1451421103 is about 38097.5209560937. The cubic root of 1451421103 is about 1132.2208400876.

Adding to 1451421103 its reverse (3011241541), we get a palindrome (4462662644).

The spelling of 1451421103 in words is "one billion, four hundred fifty-one million, four hundred twenty-one thousand, one hundred three".