1121455402 has 8 divisors (see below), whose sum is σ = 1703476800. Its totient is φ = 553629804.

The previous prime is 1121455381. The next prime is 1121455417. The reversal of 1121455402 is 2045541211.

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

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, 3548752 + ... + 3549067.

It is an arithmetic number, because the mean of its divisors is an integer number (212934600).

Almost surely, 2^1121455402 is an apocalyptic number.

1121455402 is a deficient number, since it is larger than the sum of its proper divisors (582021398).

1121455402 is an equidigital number, since it uses as much as digits as its factorization.

1121455402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097900.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1121455402 is about 33488.1382283339. The cubic root of 1121455402 is about 1038.9484569913.

Adding to 1121455402 its reverse (2045541211), we get a palindrome (3166996613).

The spelling of 1121455402 in words is "one billion, one hundred twenty-one million, four hundred fifty-five thousand, four hundred two".