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1242010 = 257111613
BaseRepresentation
bin100101111001110011010
32100002201101
410233032122
5304221020
642342014
713362010
oct4571632
92302641
101242010
11779160
124ba90a
13346423
142448b0
1519800a
hex12f39a

1242010 has 32 divisors (see below), whose sum is σ = 2788992. Its totient is φ = 386880.

The previous prime is 1242001. The next prime is 1242029. The reversal of 1242010 is 102421.

Adding to 1242010 its reverse (102421), we get a palindrome (1344431).

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 37 + ... + 1576.

It is an arithmetic number, because the mean of its divisors is an integer number (87156).

21242010 is an apocalyptic number.

1242010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242010 is an abundant number, since it is smaller than the sum of its proper divisors (1546982).

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

1242010 is a wasteful number, since it uses less digits than its factorization.

1242010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1242010 is about 1114.4550237672. The cubic root of 1242010 is about 107.4917246199.

The spelling of 1242010 in words is "one million, two hundred forty-two thousand, ten".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 1613 3226 8065 11291 16130 17743 22582 35486 56455 88715 112910 124201 177430 248402 621005 1242010