1042240055 has 8 divisors (see below), whose sum is σ = 1305065952. Its totient is φ = 797540128.

The previous prime is 1042240051. The next prime is 1042240081. The reversal of 1042240055 is 5500422401.

It is a happy number.

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 1042240055 - 2² = 1042240051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042240055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042240051) 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, 4531364 + ... + 4531593.

It is an arithmetic number, because the mean of its divisors is an integer number (163133244).

Almost surely, 2^1042240055 is an apocalyptic number.

1042240055 is a deficient number, since it is larger than the sum of its proper divisors (262825897).

1042240055 is an equidigital number, since it uses as much as digits as its factorization.

1042240055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9062985.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1042240055 is about 32283.7428901917. The cubic root of 1042240055 is about 1013.8862965404.

Adding to 1042240055 its reverse (5500422401), we get a palindrome (6542662456).

The spelling of 1042240055 in words is "one billion, forty-two million, two hundred forty thousand, fifty-five".