1370071 has 4 divisors (see below), whose sum is σ = 1442200. Its totient is φ = 1297944.

The previous prime is 1370069. The next prime is 1370077. The reversal of 1370071 is 1700731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1700731 = 17 ⋅100043.

It is a cyclic number.

It is not a de Polignac number, because 1370071 - 2¹ = 1370069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 72109 = 1370071 / (1 + 3 + 7 + 0 + 0 + 7 + 1).

It is the 1171-st Hogben number.

It is a Duffinian number.

1370071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1370077) by changing a digit.

It is a nontrivial repunit in base 1170.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36036 + ... + 36073.

It is an arithmetic number, because the mean of its divisors is an integer number (360550).

2^1370071 is an apocalyptic number.

1370071 is a deficient number, since it is larger than the sum of its proper divisors (72129).

1370071 is an equidigital number, since it uses as much as digits as its factorization.

1370071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72128.

The product of its (nonzero) digits is 147, while the sum is 19.

The square root of 1370071 is about 1170.5003203759. The cubic root of 1370071 is about 111.0659727393.

The spelling of 1370071 in words is "one million, three hundred seventy thousand, seventy-one".