1121062651 has 4 divisors (see below), whose sum is σ = 1121661792. Its totient is φ = 1120463512.

The previous prime is 1121062543. The next prime is 1121062699. The reversal of 1121062651 is 1562601211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1562601211 = 19 ⋅82242169.

It is a cyclic number.

It is not a de Polignac number, because 1121062651 - 2¹⁷ = 1120931579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121062051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296755 + ... + 300508.

It is an arithmetic number, because the mean of its divisors is an integer number (280415448).

Almost surely, 2^1121062651 is an apocalyptic number.

1121062651 is a deficient number, since it is larger than the sum of its proper divisors (599141).

1121062651 is an equidigital number, since it uses as much as digits as its factorization.

1121062651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599140.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1121062651 is about 33482.2736832492. The cubic root of 1121062651 is about 1038.8271575654.

Adding to 1121062651 its reverse (1562601211), we get a palindrome (2683663862).

The spelling of 1121062651 in words is "one billion, one hundred twenty-one million, sixty-two thousand, six hundred fifty-one".