1001122151 has 8 divisors (see below), whose sum is σ = 1006825344. Its totient is φ = 995430240.

The previous prime is 1001122121. The next prime is 1001122181. The reversal of 1001122151 is 1512211001.

It is an interprime number because it is at equal distance from previous prime (1001122121) and next prime (1001122181).

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-1001122151 is a prime.

It is a super-2 number, since 2×1001122151² = 2004491122445733602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001122121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225485 + ... + 229881.

It is an arithmetic number, because the mean of its divisors is an integer number (125853168).

Almost surely, 2^1001122151 is an apocalyptic number.

1001122151 is a deficient number, since it is larger than the sum of its proper divisors (5703193).

1001122151 is a wasteful number, since it uses less digits than its factorization.

1001122151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 1001122151 is about 31640.5143921524. The cubic root of 1001122151 is about 1000.3739105068.

Adding to 1001122151 its reverse (1512211001), we get a palindrome (2513333152).

The spelling of 1001122151 in words is "one billion, one million, one hundred twenty-two thousand, one hundred fifty-one".