1121400035 has 24 divisors (see below), whose sum is σ = 1567265616. Its totient is φ = 768035520.

The previous prime is 1121400031. The next prime is 1121400041. The reversal of 1121400035 is 5300041211.

It is not a de Polignac number, because 1121400035 - 2² = 1121400031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121399986 and 1121400022.

It is not an unprimeable number, because it can be changed into a prime (1121400031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247904 + ... + 252386.

It is an arithmetic number, because the mean of its divisors is an integer number (65302734).

Almost surely, 2^1121400035 is an apocalyptic number.

1121400035 is a deficient number, since it is larger than the sum of its proper divisors (445865581).

1121400035 is a wasteful number, since it uses less digits than its factorization.

1121400035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5523 (or 5516 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1121400035 is about 33487.3115522880. The cubic root of 1121400035 is about 1038.9313588509.

Adding to 1121400035 its reverse (5300041211), we get a palindrome (6421441246).

The spelling of 1121400035 in words is "one billion, one hundred twenty-one million, four hundred thousand, thirty-five".