1042050155 has 16 divisors (see below), whose sum is σ = 1317112320. Its totient is φ = 789261408.

The previous prime is 1042050131. The next prime is 1042050157. The reversal of 1042050155 is 5510502401.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042050155 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042050155.

It is not an unprimeable number, because it can be changed into a prime (1042050157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224084 + ... + 228686.

It is an arithmetic number, because the mean of its divisors is an integer number (82319520).

Almost surely, 2^1042050155 is an apocalyptic number.

1042050155 is a deficient number, since it is larger than the sum of its proper divisors (275062165).

1042050155 is a wasteful number, since it uses less digits than its factorization.

1042050155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 1042050155 is about 32280.8016474189. The cubic root of 1042050155 is about 1013.8247148534.

Adding to 1042050155 its reverse (5510502401), we get a palindrome (6552552556).

The spelling of 1042050155 in words is "one billion, forty-two million, fifty thousand, one hundred fifty-five".