1371601 has 16 divisors (see below), whose sum is σ = 1751040. Its totient is φ = 1043280.

The previous prime is 1371599. The next prime is 1371607. The reversal of 1371601 is 1061731.

It is a happy number.

It is not a de Polignac number, because 1371601 - 2¹ = 1371599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1371607) 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, 3430 + ... + 3808.

It is an arithmetic number, because the mean of its divisors is an integer number (109440).

2^1371601 is an apocalyptic number.

1371601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1371601 is a deficient number, since it is larger than the sum of its proper divisors (379439).

1371601 is a wasteful number, since it uses less digits than its factorization.

1371601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 1371601 is about 1171.1537046861. The cubic root of 1371601 is about 111.1073009434.

The spelling of 1371601 in words is "one million, three hundred seventy-one thousand, six hundred one".