1120022401 has 4 divisors (see below), whose sum is σ = 1120091904. Its totient is φ = 1119952900.

The previous prime is 1120022399. The next prime is 1120022411. The reversal of 1120022401 is 1042200211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1042200211 = 13 ⋅80169247.

It is a cyclic number.

It is not a de Polignac number, because 1120022401 - 2¹ = 1120022399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120022411) 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, 3336 + ... + 47446.

It is an arithmetic number, because the mean of its divisors is an integer number (280022976).

Almost surely, 2^1120022401 is an apocalyptic number.

It is an amenable number.

1120022401 is a deficient number, since it is larger than the sum of its proper divisors (69503).

1120022401 is an equidigital number, since it uses as much as digits as its factorization.

1120022401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69502.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1120022401 is about 33466.7357386405. The cubic root of 1120022401 is about 1038.5057439586.

Adding to 1120022401 its reverse (1042200211), we get a palindrome (2162222612).

It can be divided in two parts, 11200 and 22401, that multiplied together give a triangular number (250891200 = T₂₂₄₀₀).

The spelling of 1120022401 in words is "one billion, one hundred twenty million, twenty-two thousand, four hundred one".