1602091 has 2 divisors, whose sum is σ = 1602092. Its totient is φ = 1602090.

The previous prime is 1602079. The next prime is 1602101. The reversal of 1602091 is 1902061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1602091 - 2⁵ = 1602059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1602011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801045 + 801046.

It is an arithmetic number, because the mean of its divisors is an integer number (801046).

2^1602091 is an apocalyptic number.

1602091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602091 is an equidigital number, since it uses as much as digits as its factorization.

1602091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1602091 is about 1265.7373345209. The cubic root of 1602091 is about 117.0116383582.

The spelling of 1602091 in words is "one million, six hundred two thousand, ninety-one".