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121354770 = 23531130489
BaseRepresentation
bin1110011101110…
…11101000010010
322110100110110010
413032323220102
5222031323040
620013015350
73002332665
oct716735022
9273313403
10121354770
11625576a9
1234784556
131c1ac774
141218d6dc
15a9c1e80
hex73bba12

121354770 has 32 divisors (see below), whose sum is σ = 300648960. Its totient is φ = 31317120.

The previous prime is 121354769. The next prime is 121354781. The reversal of 121354770 is 77453121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64315 + ... + 66174.

It is an arithmetic number, because the mean of its divisors is an integer number (9395280).

Almost surely, 2121354770 is an apocalyptic number.

121354770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121354770 is an abundant number, since it is smaller than the sum of its proper divisors (179294190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121354770 is a wasteful number, since it uses less digits than its factorization.

121354770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130530.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 121354770 is about 11016.1141061628. The cubic root of 121354770 is about 495.0916675453.

The spelling of 121354770 in words is "one hundred twenty-one million, three hundred fifty-four thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 130489 260978 391467 652445 782934 1304890 1957335 3914670 4045159 8090318 12135477 20225795 24270954 40451590 60677385 121354770