1121050245 has 64 divisors (see below), whose sum is σ = 2212945920. Its totient is φ = 473265408.

The previous prime is 1121050219. The next prime is 1121050279. The reversal of 1121050245 is 5420501211.

It is not a de Polignac number, because 1121050245 - 2⁹ = 1121049733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62032 + ... + 78038.

It is an arithmetic number, because the mean of its divisors is an integer number (34577280).

Almost surely, 2^1121050245 is an apocalyptic number.

1121050245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1121050245 is a deficient number, since it is larger than the sum of its proper divisors (1091895675).

1121050245 is a wasteful number, since it uses less digits than its factorization.

1121050245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16074.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1121050245 is about 33482.0884205272. The cubic root of 1121050245 is about 1038.8233255651.

Adding to 1121050245 its reverse (5420501211), we get a palindrome (6541551456).

The spelling of 1121050245 in words is "one billion, one hundred twenty-one million, fifty thousand, two hundred forty-five".