1240422134 has 16 divisors (see below), whose sum is σ = 2153356800. Its totient is φ = 524879784.

The previous prime is 1240422109. The next prime is 1240422137. The reversal of 1240422134 is 4312240421.

It is a super-2 number, since 2×1240422134² = 3077294141034227912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240422137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559664 + ... + 561875.

It is an arithmetic number, because the mean of its divisors is an integer number (134584800).

Almost surely, 2^1240422134 is an apocalyptic number.

1240422134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1240422134 is a deficient number, since it is larger than the sum of its proper divisors (912934666).

1240422134 is a wasteful number, since it uses less digits than its factorization.

1240422134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121627.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1240422134 is about 35219.6271133015. The cubic root of 1240422134 is about 1074.4589695781.

Adding to 1240422134 its reverse (4312240421), we get a palindrome (5552662555).

The spelling of 1240422134 in words is "one billion, two hundred forty million, four hundred twenty-two thousand, one hundred thirty-four".