1242034001040 has 80 divisors (see below), whose sum is σ = 4400349038208. Its totient is φ = 283893485568.

The previous prime is 1242034001017. The next prime is 1242034001063. The reversal of 1242034001040 is 401004302421.

It is an interprime number because it is at equal distance from previous prime (1242034001017) and next prime (1242034001063).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1242034000998 and 1242034001016.

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, 369651297 + ... + 369654656.

Almost surely, 2^{1242034001040} is an apocalyptic number.

1242034001040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242034001040 is an abundant number, since it is smaller than the sum of its proper divisors (3158315037168).

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

1242034001040 is a wasteful number, since it uses less digits than its factorization.

1242034001040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739305976 (or 739305970 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1242034001040 its reverse (401004302421), we get a palindrome (1643038303461).

The spelling of 1242034001040 in words is "one trillion, two hundred forty-two billion, thirty-four million, one thousand, forty".