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121130746 = 21117323879
BaseRepresentation
bin1110011100001…
…00111011111010
322102221002010221
413032010323322
5222002140441
620004130254
73000410602
oct716047372
9272832127
10121130746
1162414360
123469698a
131c1317c9
1412131c02
15a97a8d1
hex7384efa

121130746 has 16 divisors (see below), whose sum is σ = 209874240. Its totient is φ = 51820480.

The previous prime is 121130743. The next prime is 121130747. The reversal of 121130746 is 647031121.

It is a self number, because there is not a number n which added to its sum of digits gives 121130746.

It is not an unprimeable number, because it can be changed into a prime (121130743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161566 + ... + 162313.

It is an arithmetic number, because the mean of its divisors is an integer number (13117140).

Almost surely, 2121130746 is an apocalyptic number.

121130746 is a deficient number, since it is larger than the sum of its proper divisors (88743494).

121130746 is a wasteful number, since it uses less digits than its factorization.

121130746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323909.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 121130746 is about 11005.9413954464. The cubic root of 121130746 is about 494.7868292741.

Adding to 121130746 its reverse (647031121), we get a palindrome (768161867).

The spelling of 121130746 in words is "one hundred twenty-one million, one hundred thirty thousand, seven hundred forty-six".

Divisors: 1 2 11 17 22 34 187 374 323879 647758 3562669 5505943 7125338 11011886 60565373 121130746