1001210145 has 64 divisors (see below), whose sum is σ = 1764322560. Its totient is φ = 481840128.

The previous prime is 1001210143. The next prime is 1001210167. The reversal of 1001210145 is 5410121001.

It is a happy number.

It is not a de Polignac number, because 1001210145 - 2¹ = 1001210143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1001210143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2573611 + ... + 2573999.

It is an arithmetic number, because the mean of its divisors is an integer number (27567540).

Almost surely, 2^1001210145 is an apocalyptic number.

1001210145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001210145 is a deficient number, since it is larger than the sum of its proper divisors (763112415).

1001210145 is a wasteful number, since it uses less digits than its factorization.

1001210145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1001210145 is about 31641.9048889285. The cubic root of 1001210145 is about 1000.4032190592.

Adding to 1001210145 its reverse (5410121001), we get a palindrome (6411331146).

The spelling of 1001210145 in words is "one billion, one million, two hundred ten thousand, one hundred forty-five".