1100413421 has 2 divisors, whose sum is σ = 1100413422. Its totient is φ = 1100413420.

The previous prime is 1100413399. The next prime is 1100413429. The reversal of 1100413421 is 1243140011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1098193321 + 2220100 = 33139^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100413421 - 2¹⁴ = 1100397037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100413421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100413429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550206710 + 550206711.

It is an arithmetic number, because the mean of its divisors is an integer number (550206711).

Almost surely, 2^1100413421 is an apocalyptic number.

It is an amenable number.

1100413421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100413421 is an equidigital number, since it uses as much as digits as its factorization.

1100413421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1100413421 is about 33172.4798741366. The cubic root of 1100413421 is about 1032.4094223727.

Adding to 1100413421 its reverse (1243140011), we get a palindrome (2343553432).

The spelling of 1100413421 in words is "one billion, one hundred million, four hundred thirteen thousand, four hundred twenty-one".