126699198 has 32 divisors (see below), whose sum is σ = 269381376. Its totient is φ = 39589248.

The previous prime is 126699179. The next prime is 126699217. The reversal of 126699198 is 891996621.

It is an interprime number because it is at equal distance from previous prime (126699179) and next prime (126699217).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 126699198.

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, 24465 + ... + 29187.

It is an arithmetic number, because the mean of its divisors is an integer number (8418168).

Almost surely, 2^126699198 is an apocalyptic number.

126699198 is an abundant number, since it is smaller than the sum of its proper divisors (142682178).

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

126699198 is a wasteful number, since it uses less digits than its factorization.

126699198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008.

The product of its digits is 419904, while the sum is 51.

The square root of 126699198 is about 11256.0738270500. The cubic root of 126699198 is about 502.2554083028.

The spelling of 126699198 in words is "one hundred twenty-six million, six hundred ninety-nine thousand, one hundred ninety-eight".