1426157 has 2 divisors, whose sum is σ = 1426158. Its totient is φ = 1426156.

The previous prime is 1426153. The next prime is 1426163. The reversal of 1426157 is 7516241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948676 + 477481 = 974^2 + 691^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426157 - 2² = 1426153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713078 + 713079.

It is an arithmetic number, because the mean of its divisors is an integer number (713079).

2^1426157 is an apocalyptic number.

It is an amenable number.

1426157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426157 is an equidigital number, since it uses as much as digits as its factorization.

1426157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 1426157 is about 1194.2181542750. The cubic root of 1426157 is about 112.5613032143.

The spelling of 1426157 in words is "one million, four hundred twenty-six thousand, one hundred fifty-seven".