1245057 has 16 divisors (see below), whose sum is σ = 1874880. Its totient is φ = 728000.

The previous prime is 1245037. The next prime is 1245067. The reversal of 1245057 is 7505421.

It is a cyclic number.

It is not a de Polignac number, because 1245057 - 2⁶ = 1244993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1245017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (117180).

2^1245057 is an apocalyptic number.

It is an amenable number.

1245057 is a deficient number, since it is larger than the sum of its proper divisors (629823).

1245057 is a wasteful number, since it uses less digits than its factorization.

1245057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 1245057 is about 1115.8212222395. The cubic root of 1245057 is about 107.5795553165.

The spelling of 1245057 in words is "one million, two hundred forty-five thousand, fifty-seven".