1200057 has 8 divisors (see below), whose sum is σ = 1606176. Its totient is φ = 796992.

The previous prime is 1200007. The next prime is 1200061. The reversal of 1200057 is 7500021.

It is a happy number.

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

It is not a de Polignac number, because 1200057 - 2⁶ = 1199993 is a prime.

1200057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1200007) 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, 418 + ... + 1604.

It is an arithmetic number, because the mean of its divisors is an integer number (200772).

2^1200057 is an apocalyptic number.

It is an amenable number.

1200057 is a deficient number, since it is larger than the sum of its proper divisors (406119).

1200057 is a wasteful number, since it uses less digits than its factorization.

1200057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 1200057 is about 1095.4711315229. The cubic root of 1200057 is about 106.2675394344.

Adding to 1200057 its reverse (7500021), we get a palindrome (8700078).

The spelling of 1200057 in words is "one million, two hundred thousand, fifty-seven".