1072551071 has 4 divisors (see below), whose sum is σ = 1073794752. Its totient is φ = 1071307392.

The previous prime is 1072551061. The next prime is 1072551119. The reversal of 1072551071 is 1701552701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1701552701 = 71 ⋅23965531.

It is a cyclic number.

It is not a de Polignac number, because 1072551071 - 2²² = 1068356767 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 (1072551031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620546 + ... + 622271.

It is an arithmetic number, because the mean of its divisors is an integer number (268448688).

Almost surely, 2^1072551071 is an apocalyptic number.

1072551071 is a deficient number, since it is larger than the sum of its proper divisors (1243681).

1072551071 is an equidigital number, since it uses as much as digits as its factorization.

1072551071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243680.

The product of its (nonzero) digits is 2450, while the sum is 29.

The square root of 1072551071 is about 32749.8255109856. The cubic root of 1072551071 is about 1023.6213298024.

The spelling of 1072551071 in words is "one billion, seventy-two million, five hundred fifty-one thousand, seventy-one".