1102032421 has 4 divisors (see below), whose sum is σ = 1259465632. Its totient is φ = 944599212.

The previous prime is 1102032409. The next prime is 1102032439. The reversal of 1102032421 is 1242302011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1102032421 - 2¹³ = 1102024229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102032395 and 1102032404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102032121) 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, 78716595 + ... + 78716608.

It is an arithmetic number, because the mean of its divisors is an integer number (314866408).

Almost surely, 2^1102032421 is an apocalyptic number.

It is an amenable number.

1102032421 is a deficient number, since it is larger than the sum of its proper divisors (157433211).

1102032421 is an equidigital number, since it uses as much as digits as its factorization.

1102032421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157433210.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1102032421 is about 33196.8736630424. The cubic root of 1102032421 is about 1032.9154902943.

Adding to 1102032421 its reverse (1242302011), we get a palindrome (2344334432).

The spelling of 1102032421 in words is "one billion, one hundred two million, thirty-two thousand, four hundred twenty-one".