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121123070 = 2513788411
BaseRepresentation
bin1110011100000…
…11000011111110
322102220200121122
413032003003332
5222001414240
620004030542
73000346325
oct716030376
9272820548
10121123070
1162409612
1234692452
131c12b173
141212d0bc
15a9784b5
hex73830fe

121123070 has 16 divisors (see below), whose sum is σ = 219615408. Its totient is φ = 48095040.

The previous prime is 121123063. The next prime is 121123087. The reversal of 121123070 is 70321121.

It is a congruent number.

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, 42836 + ... + 45575.

It is an arithmetic number, because the mean of its divisors is an integer number (13725963).

Almost surely, 2121123070 is an apocalyptic number.

121123070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121123070 is a deficient number, since it is larger than the sum of its proper divisors (98492338).

121123070 is a wasteful number, since it uses less digits than its factorization.

121123070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88555.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 121123070 is about 11005.5926691842. The cubic root of 121123070 is about 494.7763775816.

Adding to 121123070 its reverse (70321121), we get a palindrome (191444191).

The spelling of 121123070 in words is "one hundred twenty-one million, one hundred twenty-three thousand, seventy".

Divisors: 1 2 5 10 137 274 685 1370 88411 176822 442055 884110 12112307 24224614 60561535 121123070