1242642354 has 16 divisors (see below), whose sum is σ = 2519330592. Its totient is φ = 408539808.

The previous prime is 1242642341. The next prime is 1242642361. The reversal of 1242642354 is 4532462421.

It is a super-2 number, since 2×1242642354² = 3088320039909322632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418104 + ... + 1418979.

It is an arithmetic number, because the mean of its divisors is an integer number (157458162).

Almost surely, 2^1242642354 is an apocalyptic number.

1242642354 is an abundant number, since it is smaller than the sum of its proper divisors (1276688238).

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

1242642354 is a wasteful number, since it uses less digits than its factorization.

1242642354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837161.

The product of its digits is 46080, while the sum is 33.

The square root of 1242642354 is about 35251.1326626536. The cubic root of 1242642354 is about 1075.0996421790.

The spelling of 1242642354 in words is "one billion, two hundred forty-two million, six hundred forty-two thousand, three hundred fifty-four".