1130120251 has 8 divisors (see below), whose sum is σ = 1224090000. Its totient is φ = 1037155872.

The previous prime is 1130120231. The next prime is 1130120287. The reversal of 1130120251 is 1520210311.

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

It is a cyclic number.

It is not a de Polignac number, because 1130120251 - 2¹¹ = 1130118203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130120231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249001 + ... + 253498.

It is an arithmetic number, because the mean of its divisors is an integer number (153011250).

Almost surely, 2^1130120251 is an apocalyptic number.

1130120251 is a deficient number, since it is larger than the sum of its proper divisors (93969749).

1130120251 is a wasteful number, since it uses less digits than its factorization.

1130120251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502685.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1130120251 is about 33617.2612061126. The cubic root of 1130120251 is about 1041.6173832200.

Adding to 1130120251 its reverse (1520210311), we get a palindrome (2650330562).

The spelling of 1130120251 in words is "one billion, one hundred thirty million, one hundred twenty thousand, two hundred fifty-one".