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125990 = 2543293
BaseRepresentation
bin11110110000100110
320101211022
4132300212
513012430
62411142
71033214
oct366046
9211738
10125990
1186727
1260ab2
1345467
1433cb4
15274e5
hex1ec26

125990 has 16 divisors (see below), whose sum is σ = 232848. Its totient is φ = 49056.

The previous prime is 125963. The next prime is 126001. The reversal of 125990 is 99521.

It is a happy number.

125990 is nontrivially palindromic in base 6.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125990.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284 + ... + 576.

It is an arithmetic number, because the mean of its divisors is an integer number (14553).

2125990 is an apocalyptic number.

125990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125990 is a deficient number, since it is larger than the sum of its proper divisors (106858).

125990 is a wasteful number, since it uses less digits than its factorization.

125990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 125990 is about 354.9507008022. The cubic root of 125990 is about 50.1316530453.

The spelling of 125990 in words is "one hundred twenty-five thousand, nine hundred ninety".

Divisors: 1 2 5 10 43 86 215 293 430 586 1465 2930 12599 25198 62995 125990