1000242955 has 16 divisors (see below), whose sum is σ = 1237317120. Its totient is φ = 775830112.

The previous prime is 1000242953. The next prime is 1000242961. The reversal of 1000242955 is 5592420001.

It is a cyclic number.

It is not a de Polignac number, because 1000242955 - 2¹ = 1000242953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000242953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5256 + ... + 45034.

It is an arithmetic number, because the mean of its divisors is an integer number (77332320).

Almost surely, 2^1000242955 is an apocalyptic number.

1000242955 is a deficient number, since it is larger than the sum of its proper divisors (237074165).

1000242955 is a wasteful number, since it uses less digits than its factorization.

1000242955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39938.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1000242955 is about 31626.6178242315. The cubic root of 1000242955 is about 1000.0809784423.

Adding to 1000242955 its reverse (5592420001), we get a palindrome (6592662956).

The spelling of 1000242955 in words is "one billion, two hundred forty-two thousand, nine hundred fifty-five".