1357427 has 2 divisors, whose sum is σ = 1357428. Its totient is φ = 1357426.

The previous prime is 1357423. The next prime is 1357429. The reversal of 1357427 is 7247531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1357427 - 2² = 1357423 is a prime.

Together with 1357429, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 1 + 3¹² + 5 + 7⁴ + 4 + 2⁵ + 7⁷ .

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 1357427.

It is not a weakly prime, because it can be changed into another prime (1357423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678713 + 678714.

It is an arithmetic number, because the mean of its divisors is an integer number (678714).

2^1357427 is an apocalyptic number.

1357427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1357427 is an equidigital number, since it uses as much as digits as its factorization.

1357427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 29.

The square root of 1357427 is about 1165.0866920534. The cubic root of 1357427 is about 110.7232507284.

The spelling of 1357427 in words is "one million, three hundred fifty-seven thousand, four hundred twenty-seven".