1130121445 has 16 divisors (see below), whose sum is σ = 1463909760. Its totient is φ = 834965824.

The previous prime is 1130121437. The next prime is 1130121457. The reversal of 1130121445 is 5441210311.

It is a cyclic number.

It is not a de Polignac number, because 1130121445 - 2³ = 1130121437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166099 + ... + 172768.

It is an arithmetic number, because the mean of its divisors is an integer number (91494360).

Almost surely, 2^1130121445 is an apocalyptic number.

It is an amenable number.

1130121445 is a deficient number, since it is larger than the sum of its proper divisors (333788315).

1130121445 is a wasteful number, since it uses less digits than its factorization.

1130121445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338924.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1130121445 is about 33617.2789648419. The cubic root of 1130121445 is about 1041.6177500514.

Adding to 1130121445 its reverse (5441210311), we get a palindrome (6571331756).

The spelling of 1130121445 in words is "one billion, one hundred thirty million, one hundred twenty-one thousand, four hundred forty-five".