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125135042 = 2233078861
BaseRepresentation
bin1110111010101…
…10100011000010
322201110112000012
413131112203002
5224013310132
620230024522
73046426124
oct735264302
9281415005
10125135042
11646a989a
1235aa8142
131cc04306
1412895214
15aebc0b2
hex77568c2

125135042 has 16 divisors (see below), whose sum is σ = 196523712. Its totient is φ = 59645520.

The previous prime is 125134951. The next prime is 125135051. The reversal of 125135042 is 240531521.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 125134999 and 125135017.

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, 9692 + ... + 18552.

It is an arithmetic number, because the mean of its divisors is an integer number (12282732).

Almost surely, 2125135042 is an apocalyptic number.

125135042 is a deficient number, since it is larger than the sum of its proper divisors (71388670).

125135042 is a wasteful number, since it uses less digits than its factorization.

125135042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9193.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 125135042 is about 11186.3775191078. The cubic root of 125135042 is about 500.1799911986.

Adding to 125135042 its reverse (240531521), we get a palindrome (365666563).

The spelling of 125135042 in words is "one hundred twenty-five million, one hundred thirty-five thousand, forty-two".