1227427642 has 32 divisors (see below), whose sum is σ = 2232582912. Its totient is φ = 494064384.

The previous prime is 1227427627. The next prime is 1227427657. The reversal of 1227427642 is 2467247221.

It is an interprime number because it is at equal distance from previous prime (1227427627) and next prime (1227427657).

1227427642 is a modest number, since divided by 27642 gives 12274 as remainder.

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, 114588 + ... + 124840.

It is an arithmetic number, because the mean of its divisors is an integer number (69768216).

Almost surely, 2^1227427642 is an apocalyptic number.

1227427642 is a deficient number, since it is larger than the sum of its proper divisors (1005155270).

1227427642 is a wasteful number, since it uses less digits than its factorization.

1227427642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10782.

The product of its digits is 75264, while the sum is 37.

The square root of 1227427642 is about 35034.6634349468. The cubic root of 1227427642 is about 1070.6938295553.

The spelling of 1227427642 in words is "one billion, two hundred twenty-seven million, four hundred twenty-seven thousand, six hundred forty-two".