1102121234 has 4 divisors (see below), whose sum is σ = 1653181854. Its totient is φ = 551060616.

The previous prime is 1102121173. The next prime is 1102121243. The reversal of 1102121234 is 4321212011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4321212011 = 71 ⋅60862141.

It can be written as a sum of positive squares in only one way, i.e., 706230625 + 395890609 = 26575^2 + 19897^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275530307 + ... + 275530310.

Almost surely, 2^1102121234 is an apocalyptic number.

1102121234 is a deficient number, since it is larger than the sum of its proper divisors (551060620).

1102121234 is an equidigital number, since it uses as much as digits as its factorization.

1102121234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551060619.

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

The square root of 1102121234 is about 33198.2113072376. The cubic root of 1102121234 is about 1032.9432371668.

Adding to 1102121234 its reverse (4321212011), we get a palindrome (5423333245).

The spelling of 1102121234 in words is "one billion, one hundred two million, one hundred twenty-one thousand, two hundred thirty-four".