1974135 has 16 divisors (see below), whose sum is σ = 3244896. Its totient is φ = 1024128.

The previous prime is 1974121. The next prime is 1974149. The reversal of 1974135 is 5314791.

It is an interprime number because it is at equal distance from previous prime (1974121) and next prime (1974149).

It is not a de Polignac number, because 1974135 - 2¹² = 1970039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1224 + ... + 2333.

It is an arithmetic number, because the mean of its divisors is an integer number (202806).

2^1974135 is an apocalyptic number.

1974135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1974135 is a deficient number, since it is larger than the sum of its proper divisors (1270761).

1974135 is a wasteful number, since it uses less digits than its factorization.

1974135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602.

The product of its digits is 3780, while the sum is 30.

The square root of 1974135 is about 1405.0391453621. The cubic root of 1974135 is about 125.4466157081.

The spelling of 1974135 in words is "one million, nine hundred seventy-four thousand, one hundred thirty-five".