1012242551 has 8 divisors (see below), whose sum is σ = 1021244400. Its totient is φ = 1003275072.

The previous prime is 1012242541. The next prime is 1012242617. The reversal of 1012242551 is 1552422101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012242551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012242521) 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 7 ways as a sum of consecutive naturals, for example, 52475 + ... + 69123.

It is an arithmetic number, because the mean of its divisors is an integer number (127655550).

Almost surely, 2^1012242551 is an apocalyptic number.

1012242551 is a deficient number, since it is larger than the sum of its proper divisors (9001849).

1012242551 is a wasteful number, since it uses less digits than its factorization.

1012242551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17185.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1012242551 is about 31815.7594754549. The cubic root of 1012242551 is about 1004.0643093440.

Adding to 1012242551 its reverse (1552422101), we get a palindrome (2564664652).

The spelling of 1012242551 in words is "one billion, twelve million, two hundred forty-two thousand, five hundred fifty-one".