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124772 = 2231193
BaseRepresentation
bin11110011101100100
320100011012
4132131210
512443042
62401352
71026524
oct363544
9210135
10124772
118581a
1260258
1344a3b
1433684
1526e82
hex1e764

124772 has 6 divisors (see below), whose sum is σ = 218358. Its totient is φ = 62384.

The previous prime is 124771. The next prime is 124777. The reversal of 124772 is 277421.

It can be written as a sum of positive squares in only one way, i.e., 106276 + 18496 = 326^2 + 136^2 .

It is not an unprimeable number, because it can be changed into a prime (124771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15593 + ... + 15600.

It is an arithmetic number, because the mean of its divisors is an integer number (36393).

2124772 is an apocalyptic number.

It is an amenable number.

124772 is a deficient number, since it is larger than the sum of its proper divisors (93586).

124772 is a wasteful number, since it uses less digits than its factorization.

124772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31197 (or 31195 counting only the distinct ones).

The product of its digits is 784, while the sum is 23.

The square root of 124772 is about 353.2308027338. The cubic root of 124772 is about 49.9695814980.

The spelling of 124772 in words is "one hundred twenty-four thousand, seven hundred seventy-two", and thus it is an iban number.

Divisors: 1 2 4 31193 62386 124772