1103860421 has 4 divisors (see below), whose sum is σ = 1104665772. Its totient is φ = 1103055072.

The previous prime is 1103860399. The next prime is 1103860427. The reversal of 1103860421 is 1240683011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 780364225 + 323496196 = 27935^2 + 17986^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103860421 - 2⁶ = 1103860357 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 (1103860427) 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, 400616 + ... + 403361.

It is an arithmetic number, because the mean of its divisors is an integer number (276166443).

Almost surely, 2^1103860421 is an apocalyptic number.

It is an amenable number.

1103860421 is a deficient number, since it is larger than the sum of its proper divisors (805351).

1103860421 is an equidigital number, since it uses as much as digits as its factorization.

1103860421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805350.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1103860421 is about 33224.3949681556. The cubic root of 1103860421 is about 1033.4862921566.

The spelling of 1103860421 in words is "one billion, one hundred three million, eight hundred sixty thousand, four hundred twenty-one".