1103402120 has 16 divisors (see below), whose sum is σ = 2482654860. Its totient is φ = 441360832.

The previous prime is 1103402093. The next prime is 1103402141. The reversal of 1103402120 is 212043011.

It can be written as a sum of positive squares in 2 ways, for example, as 1103169796 + 232324 = 33214^2 + 482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1103402095 and 1103402104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13792487 + ... + 13792566.

Almost surely, 2^1103402120 is an apocalyptic number.

1103402120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103402120 is an abundant number, since it is smaller than the sum of its proper divisors (1379252740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1103402120 is a wasteful number, since it uses less digits than its factorization.

1103402120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27585064 (or 27585060 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1103402120 is about 33217.4971965077. The cubic root of 1103402120 is about 1033.3432446731.

Adding to 1103402120 its reverse (212043011), we get a palindrome (1315445131).

The spelling of 1103402120 in words is "one billion, one hundred three million, four hundred two thousand, one hundred twenty".