1242001227 has 6 divisors (see below), whose sum is σ = 1656083028. Its totient is φ = 827960124.

The previous prime is 1242001171. The next prime is 1242001231. The reversal of 1242001227 is 7221002421.

1242001227 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1242001227 - 2²⁶ = 1174892363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242001027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50868 + ... + 71214.

It is an arithmetic number, because the mean of its divisors is an integer number (276013838).

Almost surely, 2^1242001227 is an apocalyptic number.

1242001227 is a deficient number, since it is larger than the sum of its proper divisors (414081801).

1242001227 is an frugal number, since it uses more digits than its factorization.

1242001227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40697 (or 20350 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 1242001227 is about 35242.0377816039. The cubic root of 1242001227 is about 1074.9147152821.

Adding to 1242001227 its reverse (7221002421), we get a palindrome (8463003648).

The spelling of 1242001227 in words is "one billion, two hundred forty-two million, one thousand, two hundred twenty-seven".