1242349414 has 4 divisors (see below), whose sum is σ = 1863524124. Its totient is φ = 621174706.

The previous prime is 1242349411. The next prime is 1242349417. The reversal of 1242349414 is 4149432421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4149432421 = 181 ⋅22925041.

It is an interprime number because it is at equal distance from previous prime (1242349411) and next prime (1242349417).

It is a super-2 number, since 2×1242349414² = 3086864132932286792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1242349414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242349411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310587352 + ... + 310587355.

It is an arithmetic number, because the mean of its divisors is an integer number (465881031).

Almost surely, 2^1242349414 is an apocalyptic number.

1242349414 is a deficient number, since it is larger than the sum of its proper divisors (621174710).

1242349414 is an equidigital number, since it uses as much as digits as its factorization.

1242349414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621174709.

The product of its digits is 27648, while the sum is 34.

The square root of 1242349414 is about 35246.9773739536. The cubic root of 1242349414 is about 1075.0151543564.

The spelling of 1242349414 in words is "one billion, two hundred forty-two million, three hundred forty-nine thousand, four hundred fourteen".