1071261670 has 16 divisors (see below), whose sum is σ = 1942993008. Its totient is φ = 425233120.

The previous prime is 1071261649. The next prime is 1071261671. The reversal of 1071261670 is 761621701.

It is a super-2 number, since 2×1071261670² = 2295203131222377800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071261671) 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, 407569 + ... + 410188.

It is an arithmetic number, because the mean of its divisors is an integer number (121437063).

Almost surely, 2^1071261670 is an apocalyptic number.

1071261670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1071261670 is a deficient number, since it is larger than the sum of its proper divisors (871731338).

1071261670 is a wasteful number, since it uses less digits than its factorization.

1071261670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817895.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 1071261670 is about 32730.1339746723. The cubic root of 1071261670 is about 1023.2109724595.

The spelling of 1071261670 in words is "one billion, seventy-one million, two hundred sixty-one thousand, six hundred seventy".