1242381007 has 8 divisors (see below), whose sum is σ = 1423408032. Its totient is φ = 1062240000.

The previous prime is 1242380981. The next prime is 1242381031. The reversal of 1242381007 is 7001832421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1242381007 - 2⁷ = 1242380879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242381047) 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, 218494 + ... + 224107.

It is an arithmetic number, because the mean of its divisors is an integer number (177926004).

Almost surely, 2^1242381007 is an apocalyptic number.

1242381007 is a deficient number, since it is larger than the sum of its proper divisors (181027025).

1242381007 is an equidigital number, since it uses as much as digits as its factorization.

1242381007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443009.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1242381007 is about 35247.4255371935. The cubic root of 1242381007 is about 1075.0242668400.

The spelling of 1242381007 in words is "one billion, two hundred forty-two million, three hundred eighty-one thousand, seven".