1242180354 has 32 divisors (see below), whose sum is σ = 2633826816. Its totient is φ = 389871360.

The previous prime is 1242180319. The next prime is 1242180377. The reversal of 1242180354 is 4530812421.

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, 83367 + ... + 97130.

It is an arithmetic number, because the mean of its divisors is an integer number (82307088).

Almost surely, 2^1242180354 is an apocalyptic number.

1242180354 is an abundant number, since it is smaller than the sum of its proper divisors (1391646462).

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

1242180354 is a wasteful number, since it uses less digits than its factorization.

1242180354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180570.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1242180354 is about 35244.5790725326. The cubic root of 1242180354 is about 1074.9663891420.

Adding to 1242180354 its reverse (4530812421), we get a palindrome (5772992775).

The spelling of 1242180354 in words is "one billion, two hundred forty-two million, one hundred eighty thousand, three hundred fifty-four".