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11121042 = 231997553
BaseRepresentation
bin101010011011…
…000110010010
3202221000012110
4222123012102
510321333132
61034210150
7163345602
oct52330622
922830173
1011121042
116306449
123883956
1323c4bca
141696c02
15e9a1cc
hexa9b192

11121042 has 16 divisors (see below), whose sum is σ = 23412960. Its totient is φ = 3511872.

The previous prime is 11121041. The next prime is 11121083. The reversal of 11121042 is 24012111.

Added to its reverse (24012111) it gives a triangular number (35133153 = T8382).

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11121041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48663 + ... + 48890.

It is an arithmetic number, because the mean of its divisors is an integer number (1463310).

Almost surely, 211121042 is an apocalyptic number.

11121042 is an abundant number, since it is smaller than the sum of its proper divisors (12291918).

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

11121042 is a wasteful number, since it uses less digits than its factorization.

11121042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97577.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11121042 is about 3334.8226339642. The cubic root of 11121042 is about 223.2107775400.

Adding to 11121042 its reverse (24012111), we get a palindrome (35133153).

The spelling of 11121042 in words is "eleven million, one hundred twenty-one thousand, forty-two".

Divisors: 1 2 3 6 19 38 57 114 97553 195106 292659 585318 1853507 3707014 5560521 11121042