1100122402 has 4 divisors (see below), whose sum is σ = 1650183606. Its totient is φ = 550061200.

The previous prime is 1100122399. The next prime is 1100122403. The reversal of 1100122402 is 2042210011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2042210011 = 59 ⋅34613729.

It can be written as a sum of positive squares in only one way, i.e., 892157161 + 207965241 = 29869^2 + 14421^2 .

It is a super-3 number, since 3×1100122402³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100122403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275030599 + ... + 275030602.

Almost surely, 2^1100122402 is an apocalyptic number.

1100122402 is a deficient number, since it is larger than the sum of its proper divisors (550061204).

1100122402 is an equidigital number, since it uses as much as digits as its factorization.

1100122402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550061203.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1100122402 is about 33168.0931318036. The cubic root of 1100122402 is about 1032.3184028698.

Adding to 1100122402 its reverse (2042210011), we get a palindrome (3142332413).

The spelling of 1100122402 in words is "one billion, one hundred million, one hundred twenty-two thousand, four hundred two".