1125407 has 2 divisors, whose sum is σ = 1125408. Its totient is φ = 1125406.

The previous prime is 1125401. The next prime is 1125419. The reversal of 1125407 is 7045211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1125407 - 2⁴ = 1125391 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562703 + 562704.

It is an arithmetic number, because the mean of its divisors is an integer number (562704).

2^1125407 is an apocalyptic number.

1125407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125407 is an equidigital number, since it uses as much as digits as its factorization.

1125407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1125407 is about 1060.8520160701. The cubic root of 1125407 is about 104.0167317755.

The spelling of 1125407 in words is "one million, one hundred twenty-five thousand, four hundred seven".