1242252514 has 4 divisors (see below), whose sum is σ = 1863378774. Its totient is φ = 621126256.

The previous prime is 1242252511. The next prime is 1242252523. The reversal of 1242252514 is 4152522421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 692584489 + 549668025 = 26317^2 + 23445^2 .

It is not an unprimeable number, because it can be changed into a prime (1242252511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310563127 + ... + 310563130.

Almost surely, 2^1242252514 is an apocalyptic number.

1242252514 is a deficient number, since it is larger than the sum of its proper divisors (621126260).

1242252514 is an equidigital number, since it uses as much as digits as its factorization.

1242252514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621126259.

The product of its digits is 6400, while the sum is 28.

The square root of 1242252514 is about 35245.6027611956. The cubic root of 1242252514 is about 1074.9872041744.

Adding to 1242252514 its reverse (4152522421), we get a palindrome (5394774935).

The spelling of 1242252514 in words is "one billion, two hundred forty-two million, two hundred fifty-two thousand, five hundred fourteen".