1570961 has 4 divisors (see below), whose sum is σ = 1795392. Its totient is φ = 1346532.

The previous prime is 1570957. The next prime is 1570963. The reversal of 1570961 is 1690751.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1690751 = 127 ⋅13313.

It is a cyclic number.

It is not a de Polignac number, because 1570961 - 2² = 1570957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1570963) 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, 112205 + ... + 112218.

It is an arithmetic number, because the mean of its divisors is an integer number (448848).

2^1570961 is an apocalyptic number.

It is an amenable number.

1570961 is a deficient number, since it is larger than the sum of its proper divisors (224431).

1570961 is an equidigital number, since it uses as much as digits as its factorization.

1570961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224430.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 1570961 is about 1253.3798306978. The cubic root of 1570961 is about 116.2487971510.

The spelling of 1570961 in words is "one million, five hundred seventy thousand, nine hundred sixty-one".