101001051 has 6 divisors (see below), whose sum is σ = 145890420. Its totient is φ = 67334028.

The previous prime is 101001041. The next prime is 101001053. The reversal of 101001051 is 150100101.

It is not a de Polignac number, because 101001051 - 2⁷ = 101000923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 11222339 = 101001051 / (1 + 0 + 1 + 0 + 0 + 1 + 0 + 5 + 1).

It is not an unprimeable number, because it can be changed into a prime (101001053) 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 5 ways as a sum of consecutive naturals, for example, 5611161 + ... + 5611178.

It is an arithmetic number, because the mean of its divisors is an integer number (24315070).

Almost surely, 2^101001051 is an apocalyptic number.

101001051 is a deficient number, since it is larger than the sum of its proper divisors (44889369).

101001051 is a wasteful number, since it uses less digits than its factorization.

101001051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222345 (or 11222342 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

The square root of 101001051 is about 10049.9279101892. The cubic root of 101001051 is about 465.7025661269.

Adding to 101001051 its reverse (150100101), we get a palindrome (251101152).

The spelling of 101001051 in words is "one hundred one million, one thousand, fifty-one".