1242107002 has 4 divisors (see below), whose sum is σ = 1863160506. Its totient is φ = 621053500.

The previous prime is 1242106997. The next prime is 1242107047. The reversal of 1242107002 is 2007012421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2007012421 = 2819 ⋅711959.

It can be written as a sum of positive squares in only one way, i.e., 1140480441 + 101626561 = 33771^2 + 10081^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310526749 + ... + 310526752.

Almost surely, 2^1242107002 is an apocalyptic number.

1242107002 is a deficient number, since it is larger than the sum of its proper divisors (621053504).

1242107002 is an equidigital number, since it uses as much as digits as its factorization.

1242107002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621053503.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1242107002 is about 35243.5384432381. The cubic root of 1242107002 is about 1074.9452294432.

Adding to 1242107002 its reverse (2007012421), we get a palindrome (3249119423).

The spelling of 1242107002 in words is "one billion, two hundred forty-two million, one hundred seven thousand, two".