1121240402 has 8 divisors (see below), whose sum is σ = 1682014896. Its totient is φ = 560568772.

The previous prime is 1121240401. The next prime is 1121240411. The reversal of 1121240402 is 2040421211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1121240401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13493 + ... + 49239.

It is an arithmetic number, because the mean of its divisors is an integer number (210251862).

Almost surely, 2^1121240402 is an apocalyptic number.

1121240402 is a deficient number, since it is larger than the sum of its proper divisors (560774494).

1121240402 is a wasteful number, since it uses less digits than its factorization.

1121240402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51432.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1121240402 is about 33484.9279826014. The cubic root of 1121240402 is about 1038.8820586920.

Adding to 1121240402 its reverse (2040421211), we get a palindrome (3161661613).

The spelling of 1121240402 in words is "one billion, one hundred twenty-one million, two hundred forty thousand, four hundred two".