1071708421 has 8 divisors (see below), whose sum is σ = 1231577984. Its totient is φ = 913530960.

The previous prime is 1071708403. The next prime is 1071708439. The reversal of 1071708421 is 1248071701.

It is an interprime number because it is at equal distance from previous prime (1071708403) and next prime (1071708439).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1071708421 - 2⁹ = 1071707909 is a prime.

It is a super-2 number, since 2×1071708421² = 2297117879284626482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071708461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421665 + ... + 424198.

It is an arithmetic number, because the mean of its divisors is an integer number (153947248).

Almost surely, 2^1071708421 is an apocalyptic number.

It is an amenable number.

1071708421 is a deficient number, since it is larger than the sum of its proper divisors (159869563).

1071708421 is an equidigital number, since it uses as much as digits as its factorization.

1071708421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846051.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 1071708421 is about 32736.9580291144. The cubic root of 1071708421 is about 1023.3531901231.

The spelling of 1071708421 in words is "one billion, seventy-one million, seven hundred eight thousand, four hundred twenty-one".