1494787042 has 12 divisors (see below), whose sum is σ = 2608251030. Its totient is φ = 640622976.

The previous prime is 1494787031. The next prime is 1494787081. The reversal of 1494787042 is 2407874941.

It can be written as a sum of positive squares in only one way, i.e., 1393603561 + 101183481 = 37331^2 + 10059^2 .

It is a super-2 number, since 2×1494787042² = 4468776601862219528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1494786983 and 1494787001.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7626367 + ... + 7626562.

Almost surely, 2^1494787042 is an apocalyptic number.

1494787042 is a deficient number, since it is larger than the sum of its proper divisors (1113463988).

1494787042 is a wasteful number, since it uses less digits than its factorization.

1494787042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15252945 (or 15252938 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 1494787042 is about 38662.4758907135. The cubic root of 1494787042 is about 1143.3866262354.

It can be divided in two parts, 149478 and 7042, that added together give a triangular number (156520 = T₅₅₉).

The spelling of 1494787042 in words is "one billion, four hundred ninety-four million, seven hundred eighty-seven thousand, forty-two".