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124994 = 262497
BaseRepresentation
bin11110100001000010
320100110102
4132201002
512444434
62402402
71030262
oct364102
9210412
10124994
1185a01
1260402
1344b7c
14337a2
152707e
hex1e842

124994 has 4 divisors (see below), whose sum is σ = 187494. Its totient is φ = 62496.

The previous prime is 124991. The next prime is 125003. The reversal of 124994 is 499421.

It can be divided in two parts, 124 and 994, that multiplied together give a triangular number (123256 = T496).

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 112225 + 12769 = 335^2 + 113^2 .

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 124994.

It is not an unprimeable number, because it can be changed into a prime (124991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31247 + ... + 31250.

2124994 is an apocalyptic number.

124994 is a deficient number, since it is larger than the sum of its proper divisors (62500).

124994 is an equidigital number, since it uses as much as digits as its factorization.

124994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62499.

The product of its digits is 2592, while the sum is 29.

The square root of 124994 is about 353.5449052101. The cubic root of 124994 is about 49.9991999872. Note that the first 3 decimals are identical.

The spelling of 124994 in words is "one hundred twenty-four thousand, nine hundred ninety-four".

Divisors: 1 2 62497 124994