1121502455 has 24 divisors (see below), whose sum is σ = 1425074112. Its totient is φ = 847164096.

The previous prime is 1121502451. The next prime is 1121502463. The reversal of 1121502455 is 5542051211.

It is not a de Polignac number, because 1121502455 - 2² = 1121502451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121502451) 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, 661589 + ... + 663281.

It is an arithmetic number, because the mean of its divisors is an integer number (59378088).

Almost surely, 2^1121502455 is an apocalyptic number.

1121502455 is a deficient number, since it is larger than the sum of its proper divisors (303571657).

1121502455 is a wasteful number, since it uses less digits than its factorization.

1121502455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103 (or 2084 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1121502455 is about 33488.8407533017. The cubic root of 1121502455 is about 1038.9629872045.

Adding to 1121502455 its reverse (5542051211), we get a palindrome (6663553666).

The spelling of 1121502455 in words is "one billion, one hundred twenty-one million, five hundred two thousand, four hundred fifty-five".