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121426975 = 5253113811
BaseRepresentation
bin1110011110011…
…01010000011111
322110111010111101
413033031100133
5222041130400
620014333531
73003053335
oct717152037
9273433441
10121426975
11625a697a
12347ba2a7
131c2065a7
14121abb55
15a9d856a
hex73cd41f

121426975 has 24 divisors (see below), whose sum is σ = 154958832. Its totient is φ = 94348800.

The previous prime is 121426957. The next prime is 121426993. The reversal of 121426975 is 579624121.

It is an interprime number because it is at equal distance from previous prime (121426957) and next prime (121426993).

It is not a de Polignac number, because 121426975 - 219 = 120902687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149320 + ... + 150130.

It is an arithmetic number, because the mean of its divisors is an integer number (6456618).

Almost surely, 2121426975 is an apocalyptic number.

121426975 is a deficient number, since it is larger than the sum of its proper divisors (33531857).

121426975 is a wasteful number, since it uses less digits than its factorization.

121426975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 982 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 121426975 is about 11019.3908633826. The cubic root of 121426975 is about 495.1898397783.

The spelling of 121426975 in words is "one hundred twenty-one million, four hundred twenty-six thousand, nine hundred seventy-five".

Divisors: 1 5 25 53 113 265 565 811 1325 2825 4055 5989 20275 29945 42983 91643 149725 214915 458215 1074575 2291075 4857079 24285395 121426975