1103402001 has 32 divisors (see below), whose sum is σ = 1600260480. Its totient is φ = 672251904.

The previous prime is 1103401997. The next prime is 1103402009. The reversal of 1103402001 is 1002043011.

It is a happy number.

It is not a de Polignac number, because 1103402001 - 2² = 1103401997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103402009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2836315 + ... + 2836703.

It is an arithmetic number, because the mean of its divisors is an integer number (50008140).

Almost surely, 2^1103402001 is an apocalyptic number.

It is an amenable number.

1103402001 is a deficient number, since it is larger than the sum of its proper divisors (496858479).

1103402001 is a wasteful number, since it uses less digits than its factorization.

1103402001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1103402001 is about 33217.4954052830. The cubic root of 1103402001 is about 1033.3432075250.

Adding to 1103402001 its reverse (1002043011), we get a palindrome (2105445012).

The spelling of 1103402001 in words is "one billion, one hundred three million, four hundred two thousand, one".