1208634 has 24 divisors (see below), whose sum is σ = 2812608. Its totient is φ = 345240.

The previous prime is 1208591. The next prime is 1208651. The reversal of 1208634 is 4368021.

It is a happy number.

It is a super-2 number, since 2×1208634² = 2921592291912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1762 + ... + 2349.

It is an arithmetic number, because the mean of its divisors is an integer number (117192).

2^1208634 is an apocalyptic number.

1208634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1208634 is the 588-th nonagonal number.

1208634 is an abundant number, since it is smaller than the sum of its proper divisors (1603974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1208634 is a wasteful number, since it uses less digits than its factorization.

1208634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130 (or 4123 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1208634 is about 1099.3789155701. The cubic root of 1208634 is about 106.5201090552.

It can be divided in two parts, 120 and 8634, that multiplied together give a triangular number (1036080 = T₁₄₃₉).

The spelling of 1208634 in words is "one million, two hundred eight thousand, six hundred thirty-four".