1123141641240 has 64 divisors (see below), whose sum is σ = 3546763084800. Its totient is φ = 283741045632.

The previous prime is 1123141641179. The next prime is 1123141641269. The reversal of 1123141641240 is 421461413211.

It is a super-2 number, since 2×1123141641240² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1123141641198 and 1123141641207.

It is a congruent number.

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, 246300712 + ... + 246305271.

It is an arithmetic number, because the mean of its divisors is an integer number (55418173200).

Almost surely, 2^{1123141641240} is an apocalyptic number.

1123141641240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123141641240 is an abundant number, since it is smaller than the sum of its proper divisors (2423621443560).

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

1123141641240 is a wasteful number, since it uses less digits than its factorization.

1123141641240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492606016 (or 492606012 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

It can be divided in two parts, 1123141 and 641240, that added together give a triangular number (1764381 = T₁₈₇₈).

The spelling of 1123141641240 in words is "one trillion, one hundred twenty-three billion, one hundred forty-one million, six hundred forty-one thousand, two hundred forty".