1012145201 has 8 divisors (see below), whose sum is σ = 1075957344. Its totient is φ = 948808000.

The previous prime is 1012145191. The next prime is 1012145203. The reversal of 1012145201 is 1025412101.

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 1012145201 - 2²² = 1007950897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 1012145201.

It is not an unprimeable number, because it can be changed into a prime (1012145203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114335 + ... + 122868.

It is an arithmetic number, because the mean of its divisors is an integer number (134494668).

Almost surely, 2^1012145201 is an apocalyptic number.

It is an amenable number.

1012145201 is a deficient number, since it is larger than the sum of its proper divisors (63812143).

1012145201 is a wasteful number, since it uses less digits than its factorization.

1012145201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237471.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1012145201 is about 31814.2295364826. The cubic root of 1012145201 is about 1004.0321204863.

Adding to 1012145201 its reverse (1025412101), we get a palindrome (2037557302).

The spelling of 1012145201 in words is "one billion, twelve million, one hundred forty-five thousand, two hundred one".